[exim] synchronization error when sender and receiver are sa…

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Author: Chris Purves
Date:  
To: exim-users
Subject: [exim] synchronization error when sender and receiver are same address
Hello,

I am running exim 4.5 on Debian Sarge. I have a problem where if I send
a message to myself using an external SMTP server, when my exim receives
the message it removes all the headers and changes the subject to:

aaazzzaaazzzaaazzzaaazzzaaazzz

The same happens with other users on the system. I can send to a
different user on the same system, but no one can send to themselves. I
can also send to myself with no problems if I use exim as the SMTP
server.

Here is mainlog when the problem happens:

2006-02-01 12:40:43 1F49nP-0004KE-Lg SA: Debug: SAEximRunCond expand
returned: '1'
2006-02-01 12:40:43 1F49nP-0004KE-Lg SA: Debug: check succeeded, running
spamc
2006-02-01 12:40:52 1F49nP-0004KE-Lg SA: Debug: SAEximRejCond expand
returned: '1'
2006-02-01 12:40:52 1F49nP-0004KE-Lg SA: Action: flagged as Spam but
accepted: score=6.4 required=5.0 (scanned in 9/9 secs | Message-Id:
1F49nP-0004KE-Lg). From <chris@???>
(host=out4.smtp.messagingengine.com [66.111.4.28]) for
chris@???
2006-02-01 12:40:52 1F49nP-0004KE-Lg <= chris@???
H=out4.smtp.messagingengine.com [66.111.4.28] P=esmtp S=1461
2006-02-01 12:40:52 SMTP protocol violation: synchronization error (next
input sent too soon: pipelining was advertised): rejected
"sql-sessions.internal [10.202.2.149])" H=out4.smtp.messagingengine.com
[66.111.4.28] next input="   by frontend1.messagingengine.com (Postfix)
with ESMTP id 31187D335BD\r\n        for <chris@???>; Tue, 31
Jan 2006 23:40:37 -0500 (EST)\r\nReceived: fro"
2006-02-01 12:40:53 1F49nP-0004KE-Lg => chris <chris@???>
R=maildrop T=maildrop_pipe
2006-02-01 12:40:53 1F49nP-0004KE-Lg Completed


If I send the same message from the same server, but with a different
from adderss I get:

2006-02-01 12:44:19 1F49qr-0004Kx-PL SA: Debug: SAEximRunCond expand
returned: '1'
2006-02-01 12:44:19 1F49qr-0004Kx-PL SA: Debug: check succeeded, running
spamc
2006-02-01 12:44:31 1F49qr-0004Kx-PL SA: Action: scanned but message
isn't spam: score=-4.4 required=5.0 (scanned in 12/12 secs | Message-Id:
1138769055.4583.253251397@???). From
<purves@???> (host=out4.smtp.messagingengine.com [66.111.4.28])
for chris@???
2006-02-01 12:44:31 1F49qr-0004Kx-PL <= purves@???
H=out4.smtp.messagingengine.com [66.111.4.28] P=esmtp S=1661
id=1138769055.4583.253251397@???
2006-02-01 12:44:31 1F49qr-0004Kx-PL => chris <chris@???>
R=maildrop T=maildrop_pipe
2006-02-01 12:44:31 1F49qr-0004Kx-PL Completed

Any help is appreciated.