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authorJeremy Harris <jgh146exb@wizmail.org>2020-05-12 23:10:08 +0100
committerJeremy Harris <jgh146exb@wizmail.org>2020-05-13 12:11:02 +0100
commit0de9945258c2e7910c35f715caf07c5e9270aa1b (patch)
tree73b3a89d44569ab1352739d49864086989c89eee /doc/doc-docbook
parent64dfd5e0cec10edded40f4669a706e6564aa8e07 (diff)
smtp transport: message_linelength_limit option. Bug 1684
Diffstat (limited to 'doc/doc-docbook')
-rw-r--r--doc/doc-docbook/spec.xfpt14
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 30f5f2867..5c6955e58 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -25472,6 +25472,20 @@ so can cause parallel connections to the same host if &%remote_max_parallel%&
permits this.
+.new
+.option message_linelength_limit smtp integer 998
+.cindex "line length" limit
+This option sets the maximum line length, in bytes, that the transport
+will send. Any messages with lines exceeding the given value
+will fail and a failure-DSN ("bounce") message will if possible be returned
+to the sender.
+The default value is that defined by the SMTP standards.
+
+It is generally wise to also check in the data ACL so that messages
+received via SMTP can be refused without producing a bounce.
+.wen
+
+
.option multi_domain smtp boolean&!! true
.vindex "&$domain$&"
When this option is set, the &(smtp)& transport can handle a number of