24 files changed, 1776 insertions, 82 deletions
diff --git a/test/confs/0900 b/test/confs/0900
index 4a014cee1..cdc6d84eb 100644
--- a/test/confs/0900
+++ b/test/confs/0900
@@ -1,4 +1,5 @@
 # Exim test configuration 0900
+SERVER=
 
 exim_path = EXIM_PATH
 keep_environment =
@@ -17,8 +18,6 @@ domainlist local_domains = @
 
 acl_smtp_rcpt = check_recipient
 acl_smtp_data = check_data
-message_id_header_domain = ${if eq{0}{0}{some.domain}}
-message_id_header_text = ${if eq{0}{0}{a@b[c]}}
 trusted_users = CALLER
 queue_only
 smtp_receive_timeout = 2s
@@ -42,6 +41,12 @@ check_data:
 
 begin routers
 
+to_server:
+  driver = accept
+  condition =	${if !eq {SERVER}{server}}
+  transport =	remote_smtp
+  errors_to =	""
+
 fail_remote_domains:
   driver = redirect
   domains = ! +local_domains
@@ -68,4 +73,16 @@ local_delivery:
                  X-received-count: $received_count"
   return_path_add
 
+remote_smtp:
+  driver = smtp
+  hosts =	127.0.0.1
+  port =	PORT_S
+  allow_localhost
+  command_timeout = 2s
+  final_timeout = 2s
+
+# ----- Retry -----
+
+begin retry
+* * F,30m,5m;
 # End
diff --git a/test/confs/0901 b/test/confs/0901
new file mode 120000
index 000000000..1bb987150
--- /dev/null
+++ b/test/confs/0901
@@ -0,0 +1 @@
+0900
+\ No newline at end of file
diff --git a/test/confs/0902 b/test/confs/0902
new file mode 120000
index 000000000..1bb987150
--- /dev/null
+++ b/test/confs/0902
@@ -0,0 +1 @@
+0900
+\ No newline at end of file
diff --git a/test/log/0217 b/test/log/0217
index 1328a46db..b3cf93c4b 100644
--- a/test/log/0217
+++ b/test/log/0217
@@ -8,49 +8,49 @@
 1999-03-02 09:44:33 10HmaY-0005vi-00 CALLER@test.ex: error ignored
 1999-03-02 09:44:33 10HmaY-0005vi-00 Completed
 1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmaZ-0005vi-00 == a@test.ex R=client T=send_to_server defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after RCPT TO:<b@test.ex>
-1999-03-02 09:44:33 10HmaZ-0005vi-00 == b@test.ex R=client T=send_to_server defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after RCPT TO:<b@test.ex>
-1999-03-02 09:44:33 10HmaZ-0005vi-00 == c@test.ex R=client T=send_to_server defer (dd): Connection timed out: SMTP timeout after RCPT TO:<b@test.ex>
+1999-03-02 09:44:33 10HmaZ-0005vi-00 == e@test.ex R=client T=send_to_server defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after RCPT TO:<f@test.ex>
+1999-03-02 09:44:33 10HmaZ-0005vi-00 == f@test.ex R=client T=send_to_server defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after RCPT TO:<f@test.ex>
+1999-03-02 09:44:33 10HmaZ-0005vi-00 == g@test.ex R=client T=send_to_server defer (dd): Connection timed out: SMTP timeout after RCPT TO:<f@test.ex>
 1999-03-02 09:44:33 10HmbA-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbA-0005vi-00 == a@test.ex R=client T=send_to_server defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@test.ex>: 451 Temp error
-1999-03-02 09:44:33 10HmbA-0005vi-00 == b@test.ex R=client T=send_to_server defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@test.ex>: 451 Temp error
+1999-03-02 09:44:33 10HmbA-0005vi-00 == h@test.ex R=client T=send_to_server defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@test.ex>: 451 Temp error
+1999-03-02 09:44:33 10HmbA-0005vi-00 == i@test.ex R=client T=send_to_server defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@test.ex>: 451 Temp error
 1999-03-02 09:44:33 10HmbB-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbB-0005vi-00 ** a@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@test.ex>: 550 Perm error
-1999-03-02 09:44:33 10HmbB-0005vi-00 ** b@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@test.ex>: 550 Perm error
+1999-03-02 09:44:33 10HmbB-0005vi-00 ** j@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@test.ex>: 550 Perm error
+1999-03-02 09:44:33 10HmbB-0005vi-00 ** k@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@test.ex>: 550 Perm error
 1999-03-02 09:44:33 10HmbC-0005vi-00 <= <> R=10HmbB-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbC-0005vi-00 ** CALLER@test.ex R=bounce: just discard
 1999-03-02 09:44:33 10HmbC-0005vi-00 CALLER@test.ex: error ignored
 1999-03-02 09:44:33 10HmbC-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbB-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbD-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbD-0005vi-00 == a@test.ex R=client T=send_to_server defer (-44) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<a@test.ex>: 451 Temp error 1
-1999-03-02 09:44:33 10HmbD-0005vi-00 == b@test.ex R=client T=send_to_server defer (-44) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<b@test.ex>: 451 Temp error 2
+1999-03-02 09:44:33 10HmbD-0005vi-00 == l@test.ex R=client T=send_to_server defer (-44) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<l@test.ex>: 451 Temp error 1
+1999-03-02 09:44:33 10HmbD-0005vi-00 == m@test.ex R=client T=send_to_server defer (-44) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<m@test.ex>: 451 Temp error 2
 1999-03-02 09:44:33 10HmbE-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbE-0005vi-00 ** a@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<a@test.ex>: 551 Perm error 1
-1999-03-02 09:44:33 10HmbE-0005vi-00 ** b@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<b@test.ex>: 551 Perm error 2
+1999-03-02 09:44:33 10HmbE-0005vi-00 ** n@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<n@test.ex>: 551 Perm error 1
+1999-03-02 09:44:33 10HmbE-0005vi-00 ** o@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<o@test.ex>: 551 Perm error 2
 1999-03-02 09:44:33 10HmbF-0005vi-00 <= <> R=10HmbE-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbF-0005vi-00 ** CALLER@test.ex R=bounce: just discard
 1999-03-02 09:44:33 10HmbF-0005vi-00 CALLER@test.ex: error ignored
 1999-03-02 09:44:33 10HmbF-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbE-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbG-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbG-0005vi-00 == a@test.ex R=client T=send_to_server defer (-44) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<a@test.ex>: 451 Temp error 1
-1999-03-02 09:44:33 10HmbG-0005vi-00 ** b@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<b@test.ex>: 551 Perm error 2
+1999-03-02 09:44:33 10HmbG-0005vi-00 == p@test.ex R=client T=send_to_server defer (-44) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<p@test.ex>: 451 Temp error 1
+1999-03-02 09:44:33 10HmbG-0005vi-00 ** q@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<q@test.ex>: 551 Perm error 2
 1999-03-02 09:44:33 10HmbH-0005vi-00 <= <> R=10HmbG-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbH-0005vi-00 ** CALLER@test.ex R=bounce: just discard
 1999-03-02 09:44:33 10HmbH-0005vi-00 CALLER@test.ex: error ignored
 1999-03-02 09:44:33 10HmbH-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbI-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbI-0005vi-00 ** a@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 503 Sorry perm data error
-1999-03-02 09:44:33 10HmbI-0005vi-00 ** b@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 503 Sorry perm data error
+1999-03-02 09:44:33 10HmbI-0005vi-00 ** r@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 503 Sorry perm data error
+1999-03-02 09:44:33 10HmbI-0005vi-00 ** s@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 503 Sorry perm data error
 1999-03-02 09:44:33 10HmbJ-0005vi-00 <= <> R=10HmbI-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbJ-0005vi-00 ** CALLER@test.ex R=bounce: just discard
 1999-03-02 09:44:33 10HmbJ-0005vi-00 CALLER@test.ex: error ignored
 1999-03-02 09:44:33 10HmbJ-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbI-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbK-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbK-0005vi-00 == a@test.ex R=client T=send_to_server defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 403 Sorry temp data error
-1999-03-02 09:44:33 10HmbK-0005vi-00 == b@test.ex R=client T=send_to_server defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 403 Sorry temp data error
+1999-03-02 09:44:33 10HmbK-0005vi-00 == t@test.ex R=client T=send_to_server defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 403 Sorry temp data error
+1999-03-02 09:44:33 10HmbK-0005vi-00 == u@test.ex R=client T=send_to_server defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 403 Sorry temp data error
 1999-03-02 09:44:33 10HmbL-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
 1999-03-02 09:44:33 10HmbL-0005vi-00 == yes@test.ex R=client T=send_to_server defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 403 Sorry temp data error
 1999-03-02 09:44:33 10HmbL-0005vi-00 ** n00@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<n00@test.ex>: 550 NO
@@ -258,12 +258,12 @@
 1999-03-02 09:44:33 10HmbM-0005vi-00 CALLER@test.ex: error ignored
 1999-03-02 09:44:33 10HmbM-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbN-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbN-0005vi-00 H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<c@test.ex>
-1999-03-02 09:44:33 10HmbN-0005vi-00 == a@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<c@test.ex>
+1999-03-02 09:44:33 10HmbN-0005vi-00 H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<c@test.ex>
+1999-03-02 09:44:33 10HmbN-0005vi-00 == a@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<c@test.ex>
 1999-03-02 09:44:33 10HmbN-0005vi-00 ** b@test.ex R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<b@test.ex>: 550 NO
-1999-03-02 09:44:33 10HmbN-0005vi-00 == c@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<c@test.ex>
-1999-03-02 09:44:33 10HmbN-0005vi-00 == d@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<c@test.ex>
-1999-03-02 09:44:33 10HmbN-0005vi-00 == e@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<c@test.ex>
+1999-03-02 09:44:33 10HmbN-0005vi-00 == c@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<c@test.ex>
+1999-03-02 09:44:33 10HmbN-0005vi-00 == d@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<c@test.ex>
+1999-03-02 09:44:33 10HmbN-0005vi-00 == e@test.ex R=client T=send_to_server defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<c@test.ex>
 1999-03-02 09:44:33 10HmbO-0005vi-00 <= <> R=10HmbN-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbO-0005vi-00 ** CALLER@test.ex R=bounce: just discard
 1999-03-02 09:44:33 10HmbO-0005vi-00 CALLER@test.ex: error ignored
diff --git a/test/log/0218 b/test/log/0218
index 4aac50dab..bdbd4141f 100644
--- a/test/log/0218
+++ b/test/log/0218
@@ -9,7 +9,7 @@
 1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
 1999-03-02 09:44:33 10HmbA-0005vi-00 <= CALLER@test.ex U=CALLER P=local S=sss
 1999-03-02 09:44:33 Start queue run: pid=pppp -qq
-1999-03-02 09:44:33 10HmaZ-0005vi-00 ** a@test.ex F=<CALLER@test.ex> R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@test.ex>: 550 NO
+1999-03-02 09:44:33 10HmaZ-0005vi-00 ** a@test.ex F=<CALLER@test.ex> R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@test.ex>: 550 NO
 1999-03-02 09:44:33 10HmbB-0005vi-00 <= <> R=10HmaZ-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmaZ-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbA-0005vi-00 H=127.0.0.1 [127.0.0.1] Connection refused
diff --git a/test/log/0322 b/test/log/0322
index 0c45cc5d2..f76f0695b 100644
--- a/test/log/0322
+++ b/test/log/0322
@@ -7,26 +7,26 @@
 1999-03-02 09:44:33 10HmaY-0005vi-00 Completed
 1999-03-02 09:44:33 10HmaX-0005vi-00 Completed
 1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmaZ-0005vi-00 H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to RCPT TO:<x@test.ex>
-1999-03-02 09:44:33 10HmaZ-0005vi-00 == x@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to RCPT TO:<x@test.ex>
+1999-03-02 09:44:33 10HmaZ-0005vi-00 H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined RCPT TO:<x@test.ex>
+1999-03-02 09:44:33 10HmaZ-0005vi-00 == x@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined RCPT TO:<x@test.ex>
 1999-03-02 09:44:33 10HmaZ-0005vi-00 ** x@test.ex: retry timeout exceeded
 1999-03-02 09:44:33 10HmbA-0005vi-00 <= <> R=10HmaZ-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbA-0005vi-00 => :blackhole: <CALLER@myhost.test.ex> R=null
 1999-03-02 09:44:33 10HmbA-0005vi-00 Completed
 1999-03-02 09:44:33 10HmaZ-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbB-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbB-0005vi-00 H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to MAIL FROM:<CALLER@myhost.test.ex>
-1999-03-02 09:44:33 10HmbB-0005vi-00 == x@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to MAIL FROM:<CALLER@myhost.test.ex>
+1999-03-02 09:44:33 10HmbB-0005vi-00 H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined MAIL FROM:<CALLER@myhost.test.ex>
+1999-03-02 09:44:33 10HmbB-0005vi-00 == x@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined MAIL FROM:<CALLER@myhost.test.ex>
 1999-03-02 09:44:33 10HmbB-0005vi-00 ** x@test.ex: retry timeout exceeded
 1999-03-02 09:44:33 10HmbC-0005vi-00 <= <> R=10HmbB-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbC-0005vi-00 => :blackhole: <CALLER@myhost.test.ex> R=null
 1999-03-02 09:44:33 10HmbC-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbB-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbD-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbD-0005vi-00 H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to RCPT TO:<y@test.ex>
-1999-03-02 09:44:33 10HmbD-0005vi-00 == x@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to RCPT TO:<y@test.ex>
-1999-03-02 09:44:33 10HmbD-0005vi-00 == y@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to RCPT TO:<y@test.ex>
-1999-03-02 09:44:33 10HmbD-0005vi-00 == z@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to RCPT TO:<y@test.ex>
+1999-03-02 09:44:33 10HmbD-0005vi-00 H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined RCPT TO:<y@test.ex>
+1999-03-02 09:44:33 10HmbD-0005vi-00 == x@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined RCPT TO:<y@test.ex>
+1999-03-02 09:44:33 10HmbD-0005vi-00 == y@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined RCPT TO:<y@test.ex>
+1999-03-02 09:44:33 10HmbD-0005vi-00 == z@test.ex R=remote T=smtp defer (-19) H=127.0.0.1 [127.0.0.1]: Malformed SMTP reply (an empty line) in response to pipelined RCPT TO:<y@test.ex>
 1999-03-02 09:44:33 10HmbD-0005vi-00 ** z@test.ex: retry timeout exceeded
 1999-03-02 09:44:33 10HmbD-0005vi-00 ** y@test.ex: retry timeout exceeded
 1999-03-02 09:44:33 10HmbD-0005vi-00 ** x@test.ex: retry timeout exceeded
diff --git a/test/log/0495 b/test/log/0495
index 17886a809..d55d67923 100644
--- a/test/log/0495
+++ b/test/log/0495
@@ -12,12 +12,12 @@
 1999-03-02 09:44:33 10HmbA-0005vi-00 ** b@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<b@x.y>: 550 NOTOK
 1999-03-02 09:44:33 10HmbA-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbB-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbB-0005vi-00 ** a@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 550 BAD MAIL
-1999-03-02 09:44:33 10HmbB-0005vi-00 ** b@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 550 BAD MAIL
+1999-03-02 09:44:33 10HmbB-0005vi-00 ** a@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 550 BAD MAIL
+1999-03-02 09:44:33 10HmbB-0005vi-00 ** b@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 550 BAD MAIL
 1999-03-02 09:44:33 10HmbB-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbC-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbC-0005vi-00 ** a@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 450 TEMPORARY MAIL FAIL
-1999-03-02 09:44:33 10HmbC-0005vi-00 ** b@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 450 TEMPORARY MAIL FAIL
+1999-03-02 09:44:33 10HmbC-0005vi-00 ** a@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 450 TEMPORARY MAIL FAIL
+1999-03-02 09:44:33 10HmbC-0005vi-00 ** b@x.y R=r9 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 450 TEMPORARY MAIL FAIL
 1999-03-02 09:44:33 10HmbC-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbD-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
 1999-03-02 09:44:33 10HmbD-0005vi-00 => pm@p.q <postmaster@x.y> R=r9 T=t1 H=127.0.0.1 [127.0.0.1] C="250 OK"
diff --git a/test/log/0497 b/test/log/0497
index 9e55e5d29..8d47ac2b5 100644
--- a/test/log/0497
+++ b/test/log/0497
@@ -27,7 +27,7 @@
 1999-03-02 09:44:33 10HmbE-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbD-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbF-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbF-0005vi-00 == userx@x.y R=r1 T=t1 defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 452 temporary error
+1999-03-02 09:44:33 10HmbF-0005vi-00 == userx@x.y R=r1 T=t1 defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 452 temporary error
 1999-03-02 09:44:33 10HmbF-0005vi-00 ** userx@x.y: retry timeout exceeded
 1999-03-02 09:44:33 10HmbG-0005vi-00 <= <> R=10HmbF-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbG-0005vi-00 => :blackhole: <CALLER@myhost.test.ex> R=r0
@@ -55,8 +55,8 @@
 1999-03-02 09:44:33 10HmbM-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbL-0005vi-00 Completed
 1999-03-02 09:44:33 10HmbN-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
-1999-03-02 09:44:33 10HmbN-0005vi-00 H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<userx@x.y>
-1999-03-02 09:44:33 10HmbN-0005vi-00 == userx@x.y R=r1 T=t1 defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to RCPT TO:<userx@x.y>
+1999-03-02 09:44:33 10HmbN-0005vi-00 H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<userx@x.y>
+1999-03-02 09:44:33 10HmbN-0005vi-00 == userx@x.y R=r1 T=t1 defer (-18) H=127.0.0.1 [127.0.0.1]: Remote host closed connection in response to pipelined RCPT TO:<userx@x.y>
 1999-03-02 09:44:33 10HmbN-0005vi-00 ** userx@x.y: retry timeout exceeded
 1999-03-02 09:44:33 10HmbO-0005vi-00 <= <> R=10HmbN-0005vi-00 U=EXIMUSER P=local S=sss
 1999-03-02 09:44:33 10HmbO-0005vi-00 => :blackhole: <CALLER@myhost.test.ex> R=r0
diff --git a/test/log/0552 b/test/log/0552
index d070f9c8c..4ce57b114 100644
--- a/test/log/0552
+++ b/test/log/0552
@@ -1,9 +1,9 @@
 1999-03-02 09:44:33 10HmaX-0005vi-00 Accept non-SMTP
 1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss
 1999-03-02 09:44:33 Start queue run: pid=pppp -qf
-1999-03-02 09:44:33 10HmaX-0005vi-00 == userx1@test.ex R=r1 T=t1 defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after MAIL FROM:<CALLER@myhost.test.ex> SIZE=ssss
-1999-03-02 09:44:33 10HmaX-0005vi-00 == userx2@test.ex R=r1 T=t1 defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after MAIL FROM:<CALLER@myhost.test.ex> SIZE=ssss
-1999-03-02 09:44:33 10HmaX-0005vi-00 == userx3@test.ex R=r1 T=t1 defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after MAIL FROM:<CALLER@myhost.test.ex> SIZE=ssss
+1999-03-02 09:44:33 10HmaX-0005vi-00 == userx1@test.ex R=r1 T=t1 defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after pipelined MAIL FROM:<CALLER@myhost.test.ex> SIZE=ssss
+1999-03-02 09:44:33 10HmaX-0005vi-00 == userx2@test.ex R=r1 T=t1 defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after pipelined MAIL FROM:<CALLER@myhost.test.ex> SIZE=ssss
+1999-03-02 09:44:33 10HmaX-0005vi-00 == userx3@test.ex R=r1 T=t1 defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after pipelined MAIL FROM:<CALLER@myhost.test.ex> SIZE=ssss
 1999-03-02 09:44:33 End queue run: pid=pppp -qf
 1999-03-02 09:44:33 Start queue run: pid=pppp -qf
 1999-03-02 09:44:33 10HmaX-0005vi-00 => userx1@test.ex R=r1 T=t1 H=127.0.0.1 [127.0.0.1] C="250 OK id=10HmaY-0005vi-00"
diff --git a/test/log/0901 b/test/log/0901
new file mode 100644
index 000000000..b2db284e3
--- /dev/null
+++ b/test/log/0901
@@ -0,0 +1,38 @@
+1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmaX-0005vi-00 => a@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK"
+1999-03-02 09:44:33 10HmaX-0005vi-00 Completed
+1999-03-02 09:44:33 10HmaY-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmaY-0005vi-00 == b@test.ex R=to_server T=remote_smtp defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after end of data (ddd bytes written)
+1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmaZ-0005vi-00 => c@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK"
+1999-03-02 09:44:33 10HmaZ-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbA-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbA-0005vi-00 ** d@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after end of data: 500 oops
+1999-03-02 09:44:33 10HmbA-0005vi-00 d@test.ex: error ignored
+1999-03-02 09:44:33 10HmbA-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbB-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbB-0005vi-00 == e@test.ex R=to_server T=remote_smtp defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after end of data: 400 not right now
+1999-03-02 09:44:33 10HmbC-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbC-0005vi-00 => p@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK bdat"
+1999-03-02 09:44:33 10HmbC-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbD-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbD-0005vi-00 == q@test.ex R=to_server T=remote_smtp defer (dd): Connection timed out H=127.0.0.1 [127.0.0.1]: SMTP timeout after pipelined end of data (ddd bytes written)
+1999-03-02 09:44:33 10HmbE-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbE-0005vi-00 => r@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK bdat"
+1999-03-02 09:44:33 10HmbE-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbF-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbF-0005vi-00 ** s@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined end of data: 550 unacceptable mail-from
+1999-03-02 09:44:33 10HmbF-0005vi-00 s@test.ex: error ignored
+1999-03-02 09:44:33 10HmbF-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbG-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbG-0005vi-00 == s1@test.ex R=to_server T=remote_smtp defer (-45) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined end of data: 450 greylisted mail-from
+1999-03-02 09:44:33 10HmbH-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbH-0005vi-00 ** t@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<t@test.ex>: 550 no such recipient
+1999-03-02 09:44:33 10HmbH-0005vi-00 t@test.ex: error ignored
+1999-03-02 09:44:33 10HmbH-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbI-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbI-0005vi-00 ** u@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined end of data: 500 oops bdat
+1999-03-02 09:44:33 10HmbI-0005vi-00 u@test.ex: error ignored
+1999-03-02 09:44:33 10HmbI-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbJ-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbJ-0005vi-00 == v@test.ex R=to_server T=remote_smtp defer (-46) H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined end of data: 400 not right now bdat
diff --git a/test/log/0902 b/test/log/0902
new file mode 100644
index 000000000..31fb49eb0
--- /dev/null
+++ b/test/log/0902
@@ -0,0 +1,31 @@
+1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmaX-0005vi-00 => a@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK bdat"
+1999-03-02 09:44:33 10HmaX-0005vi-00 Completed
+1999-03-02 09:44:33 10HmaY-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmaY-0005vi-00 ** d@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after sending data block: 500 oops bdat-nonlast
+1999-03-02 09:44:33 10HmaY-0005vi-00 d@test.ex: error ignored
+1999-03-02 09:44:33 10HmaY-0005vi-00 Completed
+1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmaZ-0005vi-00 => p@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK bdat"
+1999-03-02 09:44:33 10HmaZ-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbA-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbA-0005vi-00 ** s@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined sending data block: 550 unacceptable mail-from
+1999-03-02 09:44:33 10HmbA-0005vi-00 s@test.ex: error ignored
+1999-03-02 09:44:33 10HmbA-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbB-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbB-0005vi-00 ** t@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<t@test.ex>: 550 no such recipient
+1999-03-02 09:44:33 10HmbB-0005vi-00 t@test.ex: error ignored
+1999-03-02 09:44:33 10HmbB-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbC-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbC-0005vi-00 ** t1@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<t1@test.ex>: 550 no such recipient
+1999-03-02 09:44:33 10HmbC-0005vi-00 => t2@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1] C="250 OK bdat"
+1999-03-02 09:44:33 10HmbC-0005vi-00 t1@test.ex: error ignored
+1999-03-02 09:44:33 10HmbC-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbD-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbD-0005vi-00 ** u@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined sending data block: 500 oops nonlast bdat
+1999-03-02 09:44:33 10HmbD-0005vi-00 u@test.ex: error ignored
+1999-03-02 09:44:33 10HmbD-0005vi-00 Completed
+1999-03-02 09:44:33 10HmbE-0005vi-00 <= CALLER@the.local.host.name U=CALLER P=local S=sss
+1999-03-02 09:44:33 10HmbE-0005vi-00 ** v@test.ex R=to_server T=remote_smtp H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after end of data: 500 oops bdat
+1999-03-02 09:44:33 10HmbE-0005vi-00 v@test.ex: error ignored
+1999-03-02 09:44:33 10HmbE-0005vi-00 Completed
diff --git a/test/log/2026 b/test/log/2026
index 90506c3cd..08255f8a1 100644
--- a/test/log/2026
+++ b/test/log/2026
@@ -1,6 +1,6 @@
 1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port 1225
 1999-03-02 09:44:33 H=localhost (myhost.test.ex) [127.0.0.1] F=<CALLER@myhost.test.ex> temporarily rejected RCPT <usery@myhost.test.ex>
-1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@myhost.test.ex H=localhost (myhost.test.ex) [127.0.0.1] P=esmtp S=sss id=E10HmaY-0005vi-00@myhost.test.ex
+1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@myhost.test.ex H=localhost (myhost.test.ex) [127.0.0.1] P=esmtp K S=sss id=E10HmaY-0005vi-00@myhost.test.ex
 1999-03-02 09:44:33 10HmaX-0005vi-00 no immediate delivery: queued by ACL
-1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@myhost.test.ex H=the.local.host.name (myhost.test.ex) [ip4.ip4.ip4.ip4] P=esmtps X=TLS1.x:xxxxRSA_AES_256_CBC_SHAnnn:256 CV=no S=sss id=E10HmaY-0005vi-00@myhost.test.ex
+1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@myhost.test.ex H=the.local.host.name (myhost.test.ex) [ip4.ip4.ip4.ip4] P=esmtps X=TLS1.x:xxxxRSA_AES_256_CBC_SHAnnn:256 CV=no K S=sss id=E10HmaY-0005vi-00@myhost.test.ex
 1999-03-02 09:44:33 10HmaZ-0005vi-00 no immediate delivery: queued by ACL
diff --git a/test/scripts/0000-Basic/0217 b/test/scripts/0000-Basic/0217
index c47ae5c9e..a74be606f 100644
--- a/test/scripts/0000-Basic/0217
+++ b/test/scripts/0000-Basic/0217
@@ -36,7 +36,7 @@ RCPT TO
 250 OK
 *sleep 2
 ****
-exim -odi a b c
+exim -odi e f g
 .
 ****
 # Temp error on MAIL
@@ -56,7 +56,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi h i
 .
 ****
 # Perm error on MAIL
@@ -76,7 +76,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi j k
 .
 ****
 # All get temp errors
@@ -96,7 +96,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi l m
 .
 ****
 # All get perm errors
@@ -116,7 +116,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi n o
 .
 ****
 # Mixed temp and perm
@@ -136,7 +136,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi p q
 .
 ****
 # Perm error on DATA after good recipients
@@ -156,7 +156,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi r s
 .
 ****
 # Temp error on DATA after good recipients
@@ -176,7 +176,7 @@ DATA
 QUIT
 250 OK
 ****
-exim -odi a b
+exim -odi t u
 .
 ****
 # Temp error on DATA after good recipients, but in first block of a
diff --git a/test/scripts/0000-Basic/0901 b/test/scripts/0000-Basic/0901
new file mode 100644
index 000000000..7b0172a59
--- /dev/null
+++ b/test/scripts/0000-Basic/0901
@@ -0,0 +1,309 @@
+# CHUNKING transmission, short messages
+#
+# Start with non-pipelined cases
+#
+# Basic short message
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 OK
+RCPT TO
+250 OK
+BDAT 323 LAST
+*data 323
+250 OK
+QUIT
+225 OK
+*eof
+****
+exim -odf a@test.ex
+Subject: foo
+
+data
+****
+#
+# Error case: server wrongly expected more data, client gets timeout for data-ack
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 good mail cmd
+RCPT TO
+250 acceptable rcpt cmd
+BDAT 323 LAST
+*data 324
+250 OK got that data
+QUIT
+225 OK quitting
+****
+exim -odf b@test.ex
+Subject: foo
+
+data
+****
+#
+# Error case: server wrongly expected less data
+# client get the data-ack, sends quit - but server
+# sees a munged quit due to the outstanding data tail
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 OK
+RCPT TO
+250 OK
+BDAT 323 LAST
+*data 322
+250 OK
+QUIT
+225 OK
+****
+exim -odf c@test.ex
+Subject: foo
+
+data
+****
+#
+# server rejects BDAT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 OK
+RCPT TO
+250 OK
+BDAT 323 LAST
+*data 323
+500 oops
+QUIT
+225 OK
+****
+exim -odf d@test.ex
+Subject: foo
+
+data
+****
+#
+# server tmp-rejects BDAT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 OK
+RCPT TO
+250 OK
+BDAT 323 LAST
+*data 323
+400 not right now
+QUIT
+225 OK
+****
+exim -odf e@test.ex
+Subject: foo
+
+data
+****
+#
+#
+###################################################
+#
+# Pipelined cases
+#
+# Basic short message
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 323
+250 OK mail
+250 OK rcpt
+250 OK bdat
+QUIT
+225 OK
+*eof
+****
+exim -odf p@test.ex
+Subject: foo
+
+data
+****
+#
+# Error case: server wrongly expected more data, client gets timeout for data-ack
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 324
+250 good mail cmd
+****
+exim -odf q@test.ex
+Subject: foo
+
+data
+****
+#
+# Error case: server wrongly expected less data
+# client get the data-ack, sends quit - but server
+# sees a munged quit due to the outstanding data tail
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 322
+250 OK mail
+250 OK rcpt
+250 OK bdat
+QUIT
+225 OK
+****
+exim -odf r@test.ex
+Subject: foo
+
+data
+****
+#
+# server rejects MAIL cmd
+# transport coding does not handle the possible RSET-and-another transaction,
+# but always QUITs
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 323
+550 unacceptable mail-from
+550 rcpt ungood lacking mail-from
+500 bdat ungood lacking mail-from
+QUIT
+225 OK
+****
+exim -odf s@test.ex
+Subject: foo
+
+data
+****
+#
+# server tmp-rejects MAIL cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 324 LAST
+*data 324
+450 greylisted mail-from
+550 rcpt ungood lacking mail-from
+500 bdat ungood lacking mail-from
+QUIT
+225 OK
+****
+exim -odf s1@test.ex
+Subject: foo
+
+data
+****
+#
+# server rejects RCPT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 323
+250 OK mail
+550 no such recipient
+500 oops bdat
+QUIT
+225 OK
+****
+exim -odf t@test.ex
+Subject: foo
+
+data
+****
+#
+# server rejects BDAT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 323
+250 OK mail
+250 OK rcpt
+500 oops bdat
+QUIT
+225 OK
+****
+exim -odf u@test.ex
+Subject: foo
+
+data
+****
+#
+# server tmp-rejects BDAT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 323 LAST
+*data 323
+250 OK mail
+250 OK rcpt
+400 not right now bdat
+QUIT
+225 OK
+****
+exim -odf v@test.ex
+Subject: foo
+
+data
+****
+#
+#
+no_msglog_check
diff --git a/test/scripts/0000-Basic/0902 b/test/scripts/0000-Basic/0902
new file mode 100644
index 000000000..a1c4de4e1
--- /dev/null
+++ b/test/scripts/0000-Basic/0902
@@ -0,0 +1,925 @@
+# CHUNKING transmission, long messages
+#
+# Start with non-pipelined cases
+#
+# Basic long message
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 OK
+RCPT TO
+250 OK
+BDAT 317
+*data 317
+250 OK nonlast bdat
+BDAT 8380 LAST
+*data 8380
+250 OK bdat
+QUIT
+225 OK
+*eof
+****
+exim -odf a@test.ex
+Subject: foo
+
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
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+
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+
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+
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+****
+#
+#
+# server rejects BDAT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250 CHUNKING
+MAIL FROM
+250 OK
+RCPT TO
+250 OK
+BDAT 317
+*data 317
+500 oops bdat-nonlast
+QUIT
+225 OK
+****
+exim -odf d@test.ex
+Subject: foo
+
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+
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+
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+****
+#
+#
+###################################################
+#
+# Pipelined cases
+#
+# Basic long message
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 317
+250 OK mail
+250 OK rcpt
+*data 317
+250 OK nonlast bdat
+BDAT 8380 LAST
+*data 8380
+250 OK bdat
+QUIT
+225 OK
+*eof
+****
+exim -odf p@test.ex
+Subject: foo
+
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+
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+
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+
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+****
+#
+# server rejects MAIL cmd
+# transport coding does not handle the possible RSET-and-another transaction,
+# but always QUITs
+#
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 317
+*data 317
+550 unacceptable mail-from
+550 rcpt ungood lacking mail-from
+500 bdat (nonlast) ungood lacking mail-from
+QUIT
+225 OK
+****
+exim -odf s@test.ex
+Subject: foo
+
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+
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+
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+
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+
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+****
+#
+# server rejects RCPT cmd
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+BDAT 317
+*data 317
+250 OK mail
+550 no such recipient
+500 oops nonlast bdat - no rcpt
+QUIT
+225 OK
+****
+exim -odf t@test.ex
+Subject: foo
+
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+
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+
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+
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+
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+****
+#
+# server rejects 1st RCPT cmd of two
+server PORT_S
+220 Greetings
+EHLO
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM
+RCPT TO
+RCPT TO
+BDAT 301
+*data 301
+250 OK mail
+550 no such recipient
+250 good recipient
+200 OK nonlast bdat
+BDAT 8380 LAST
+*data 8380
+250 OK bdat
+QUIT
+225 OK
+****
+exim -odf t1@test.ex t2@test.ex
+Subject: foo
+
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+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+****
+#
+#
+no_msglog_check
diff --git a/test/src/server.c b/test/src/server.c
index 4f2172376..1abd3f49a 100644
--- a/test/src/server.c
+++ b/test/src/server.c
@@ -640,6 +640,38 @@ for (count = 0; count < connection_count; count++)
       sleep(sleepfor);
       }
 
+    /* If the script line starts with "*data " we expect a numeric argument,
+    and we expect to read (and discard) that many data bytes from the input. */
+
+    else if (strncmp(ss, "*data ", 6) == 0)
+      {
+      int dlen = atoi(ss+6);
+      int n;
+
+      alarm(timeout);
+
+      if (!linebuf)
+	while (dlen > 0)
+	  {
+	  n = dlen < sizeof(buffer) ? dlen : sizeof(buffer);
+	  if ((n = read(dup_accept_socket, CS buffer, n)) == 0)
+	    {
+	    printf("Unxpected EOF read from client\n");
+	    s = s->next;
+	    goto END_OFF;
+	    }
+	  dlen -= n;
+	  }
+      else
+	while (dlen-- > 0)
+	  if (fgetc(in) == EOF)
+	    {
+	    printf("Unxpected EOF read from client\n");
+	    s = s->next;
+	    goto END_OFF;
+	    }
+      }
+
     /* Otherwise the script line is the start of an input line we are expecting
     from the client, or "*eof" indicating we expect the client to close the
     connection. Read command line or data lines; the latter are indicated
diff --git a/test/stderr/0218 b/test/stderr/0218
index fe4ee2df9..f9f1d6849 100644
--- a/test/stderr/0218
+++ b/test/stderr/0218
@@ -93,7 +93,7 @@ Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
   SMTP>> QUIT
   SMTP(close)>>
 LOG: MAIN
-  ** a@test.ex F=<CALLER@test.ex> R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@test.ex>: 550 NO
+  ** a@test.ex F=<CALLER@test.ex> R=client T=send_to_server H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@test.ex>: 550 NO
 Exim version x.yz ....
 configuration file is TESTSUITE/test-config
 trusted user
diff --git a/test/stderr/0495 b/test/stderr/0495
index b00cfd572..bfe9f6218 100644
--- a/test/stderr/0495
+++ b/test/stderr/0495
@@ -1,7 +1,7 @@
 Delivery failed: Connection refused
 Delivery failed: H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<b@x.y>: 550 NOTOK
-Delivery failed: H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 550 BAD MAIL
-Delivery failed: H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after MAIL FROM:<CALLER@myhost.test.ex>: 450 TEMPORARY MAIL FAIL
+Delivery failed: H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 550 BAD MAIL
+Delivery failed: H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined MAIL FROM:<CALLER@myhost.test.ex>: 450 TEMPORARY MAIL FAIL
 routing file@x.y yielded a local delivery
 routing fail@x.y yielded a failed delivery: forcible fail message
 routing defer@x.y yielded a deferred delivery: forcible defer message
diff --git a/test/stdout/0217 b/test/stdout/0217
index 8633a43ee..f08a3fab6 100644
--- a/test/stdout/0217
+++ b/test/stdout/0217
@@ -36,7 +36,7 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 250 OK
-RCPT TO:<a@test.ex>
+RCPT TO:<e@test.ex>
 250 OK
 *sleep 2
 End of script
@@ -48,9 +48,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 451 Temp error
-RCPT TO:<a@test.ex>
+RCPT TO:<h@test.ex>
 503 No sender given
-RCPT TO:<b@test.ex>
+RCPT TO:<i@test.ex>
 503 No sender given
 DATA
 503 No envelope
@@ -65,9 +65,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 550 Perm error
-RCPT TO:<a@test.ex>
+RCPT TO:<j@test.ex>
 503 No sender given
-RCPT TO:<b@test.ex>
+RCPT TO:<k@test.ex>
 503 No sender given
 DATA
 503 No envelope
@@ -82,9 +82,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 250 OK
-RCPT TO:<a@test.ex>
+RCPT TO:<l@test.ex>
 451 Temp error 1
-RCPT TO:<b@test.ex>
+RCPT TO:<m@test.ex>
 451 Temp error 2
 DATA
 503 No recipients
@@ -99,9 +99,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 250 OK
-RCPT TO:<a@test.ex>
+RCPT TO:<n@test.ex>
 551 Perm error 1
-RCPT TO:<b@test.ex>
+RCPT TO:<o@test.ex>
 551 Perm error 2
 DATA
 503 No recipients
@@ -116,9 +116,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 250 OK
-RCPT TO:<a@test.ex>
+RCPT TO:<p@test.ex>
 451 Temp error 1
-RCPT TO:<b@test.ex>
+RCPT TO:<q@test.ex>
 551 Perm error 2
 DATA
 503 No recipients
@@ -133,9 +133,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 250 OK
-RCPT TO:<a@test.ex>
+RCPT TO:<r@test.ex>
 250 OK
-RCPT TO:<b@test.ex>
+RCPT TO:<s@test.ex>
 250 OK
 DATA
 503 Sorry perm data error
@@ -150,9 +150,9 @@ EHLO myhost.test.ex
 250 PIPELINING
 MAIL FROM:<CALLER@test.ex>
 250 OK
-RCPT TO:<a@test.ex>
+RCPT TO:<t@test.ex>
 250 OK
-RCPT TO:<b@test.ex>
+RCPT TO:<u@test.ex>
 250 OK
 DATA
 403 Sorry temp data error
diff --git a/test/stdout/0547 b/test/stdout/0547
index 7e931992c..418ddc4ba 100644
--- a/test/stdout/0547
+++ b/test/stdout/0547
@@ -61,31 +61,31 @@ End of script
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 221 myhost.test.ex closing connection
 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
 550 Administrative prohibition
@@ -100,15 +100,15 @@ End of script
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 214-Commands supported:
-214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 250 Reset OK
 250 OK
 554 Too many nonmail commands
diff --git a/test/stdout/0572 b/test/stdout/0572
index dbdf4b989..12cd05b78 100644
--- a/test/stdout/0572
+++ b/test/stdout/0572
@@ -57,6 +57,7 @@ no_hosts_override
 no_hosts_randomize
 hosts_require_auth = 
 hosts_try_auth = 
+hosts_try_chunking = *
 hosts_try_prdr = *
 interface = ip4.ip4.ip4.ip4
 keepalive
diff --git a/test/stdout/0901 b/test/stdout/0901
new file mode 100644
index 000000000..12ed5ce0f
--- /dev/null
+++ b/test/stdout/0901
@@ -0,0 +1,199 @@
+
+******** SERVER ********
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 OK
+RCPT TO:<a@test.ex>
+250 OK
+BDAT 323 LAST
+250 OK
+QUIT
+225 OK
+Expected EOF read from client
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 good mail cmd
+RCPT TO:<b@test.ex>
+250 acceptable rcpt cmd
+BDAT 323 LAST
+Unxpected EOF read from client
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 OK
+RCPT TO:<c@test.ex>
+250 OK
+BDAT 323 LAST
+250 OK
+
+Comparison failed - bailing out
+Expected: QUIT
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 OK
+RCPT TO:<d@test.ex>
+250 OK
+BDAT 323 LAST
+500 oops
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 OK
+RCPT TO:<e@test.ex>
+250 OK
+BDAT 323 LAST
+400 not right now
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<p@test.ex>
+BDAT 323 LAST
+250 OK mail
+250 OK rcpt
+250 OK bdat
+QUIT
+225 OK
+Expected EOF read from client
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<q@test.ex>
+BDAT 323 LAST
+Unxpected EOF read from client
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<r@test.ex>
+BDAT 323 LAST
+250 OK mail
+250 OK rcpt
+250 OK bdat
+
+Comparison failed - bailing out
+Expected: QUIT
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<s@test.ex>
+BDAT 323 LAST
+550 unacceptable mail-from
+550 rcpt ungood lacking mail-from
+500 bdat ungood lacking mail-from
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<s1@test.ex>
+BDAT 324 LAST
+450 greylisted mail-from
+550 rcpt ungood lacking mail-from
+500 bdat ungood lacking mail-from
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<t@test.ex>
+BDAT 323 LAST
+250 OK mail
+550 no such recipient
+500 oops bdat
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<u@test.ex>
+BDAT 323 LAST
+250 OK mail
+250 OK rcpt
+500 oops bdat
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<v@test.ex>
+BDAT 323 LAST
+250 OK mail
+250 OK rcpt
+400 not right now bdat
+QUIT
+225 OK
+End of script
diff --git a/test/stdout/0902 b/test/stdout/0902
new file mode 100644
index 000000000..58dba6788
--- /dev/null
+++ b/test/stdout/0902
@@ -0,0 +1,140 @@
+
+******** SERVER ********
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 OK
+RCPT TO:<a@test.ex>
+250 OK
+BDAT 317
+250 OK nonlast bdat
+BDAT 8380 LAST
+250 OK bdat
+QUIT
+225 OK
+Expected EOF read from client
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250 CHUNKING
+MAIL FROM:<>
+250 OK
+RCPT TO:<d@test.ex>
+250 OK
+BDAT 317
+500 oops bdat-nonlast
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<p@test.ex>
+BDAT 317
+250 OK mail
+250 OK rcpt
+250 OK nonlast bdat
+BDAT 8380 LAST
+250 OK bdat
+QUIT
+225 OK
+Expected EOF read from client
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<s@test.ex>
+BDAT 317
+550 unacceptable mail-from
+550 rcpt ungood lacking mail-from
+500 bdat (nonlast) ungood lacking mail-from
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<t@test.ex>
+BDAT 317
+250 OK mail
+550 no such recipient
+500 oops nonlast bdat - no rcpt
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<t1@test.ex>
+RCPT TO:<t2@test.ex>
+BDAT 301
+250 OK mail
+550 no such recipient
+250 good recipient
+200 OK nonlast bdat
+BDAT 8380 LAST
+250 OK bdat
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<u@test.ex>
+BDAT 317
+250 OK mail
+250 OK rcpt
+500 oops nonlast bdat
+QUIT
+225 OK
+End of script
+Listening on port 1224 ... 
+Connection request from [127.0.0.1]
+220 Greetings
+EHLO the.local.host.name
+250-Hello there
+250-PIPELINING
+250 CHUNKING
+MAIL FROM:<>
+RCPT TO:<v@test.ex>
+BDAT 317
+250 OK mail
+250 OK rcpt
+250 OK nonlast bdat
+BDAT 8380 LAST
+500 oops bdat
+QUIT
+225 OK
+End of script
diff --git a/test/stdout/2022 b/test/stdout/2022
index c6124c698..3f280e0d5 100644
--- a/test/stdout/2022
+++ b/test/stdout/2022
@@ -23,7 +23,7 @@ Succeeded in starting TLS
 ??? 214-
 <<< 214-Commands supported:
 ??? 214
-<<< 214 AUTH HELO EHLO MAIL RCPT DATA NOOP QUIT RSET HELP
+<<< 214 AUTH HELO EHLO MAIL RCPT DATA BDAT NOOP QUIT RSET HELP
 >>> quit
 ??? 221
 <<< 221 myhost.test.ex closing connection