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authorJeremy Harris <jgh146exb@wizmail.org>2016-02-04 10:30:54 +0000
committerJeremy Harris <jgh146exb@wizmail.org>2016-02-04 10:32:27 +0000
commitc73792d365065e35d0fa760c4edd6cd193be3b94 (patch)
tree5b34d8f65f07afa1bbeee613e8073cfd5f0492bd
parentd711cea710dc61a71b21584be677ff193aaf4559 (diff)
Docs: add note on costs of cutthrough delivery in local-rejection cases
-rw-r--r--doc/doc-docbook/spec.xfpt8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index cdca6c4b3..b413791d5 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -28617,6 +28617,14 @@ Note also that headers cannot be
modified by any of the post-data ACLs (DATA, MIME and DKIM).
Headers may be modified by routers (subject to the above) and transports.
+.new
+All the usual ACLs are called; if one results in the message being
+rejected, all effort spent in delivery (including the costs on
+the ultimate destination) will be wasted.
+Note that in the case of data-time ACLs this includes the entire
+message body.
+.wen
+
Cutthrough delivery is not supported via transport-filters or when DKIM signing
of outgoing messages is done, because it sends data to the ultimate destination
before the entire message has been received from the source.