From 1ebe15c3a9807233cc92a92668b9090777daa9e1 Mon Sep 17 00:00:00 2001 From: Jeremy Harris Date: Sun, 29 Jan 2017 18:03:40 +0000 Subject: CHUNKING: Reject messages with malformed line ending. Bug 2000 Actually test only the first header line, but still do full line-ending canonicalisation on the remainder of the message in case a Evil Person slips past that. --- doc/doc-docbook/spec.xfpt | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'doc') diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 648078998..422edcee4 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -28934,7 +28934,11 @@ message body. 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. -It is not supported for messages received with the SMTP PRDR option in use. +It is not supported for messages received with the SMTP PRDR +.new +or CHUNKING +.wen +options in use. Should the ultimate destination system positively accept or reject the mail, a corresponding indication is given to the source system and nothing is queued. @@ -37919,9 +37923,8 @@ lock will be lost at the instant of rename. .next .vindex "&$body_linecount$&" If you change the number of lines in the file, the value of -&$body_linecount$&, which is stored in the -H file, will be incorrect. At -present, this value is not used by Exim, but there is no guarantee that this -will always be the case. +&$body_linecount$&, which is stored in the -H file, will be incorrect and can +cause incomplete transmission of messages or undeliverable messages. .next If the message is in MIME format, you must take care not to break it. .next -- cgit v1.2.3