lmtpengine checks for empty message id

[Tom Bryntesen]

We also encountered this problem when we were receiving mail from a 
notes server.
The missing Message-Id, was because they sent mail with "Notes Rich Text 
Format" value
under "Format for messages addressed to internet address:".
They changed that value to "MIME Format" and that fixed the problem.

regards
Tom B.


Simon Matter wrote:

>>-----BEGIN PGP SIGNED MESSAGE-----
>>Hash: SHA1
>>
>>Hi List
>>
>>I triggerd an small issue with cyrus-imapd 2.2.12 and the
>>lmtpengine.c. Of course it's not a cyrus problem.
>>
>>I got a very bad mail header from a customer:
>>
>>Subject: Mailtest
>>To: gtest at domain2.ch
>>X-Mailer: Lotus Notes Release 6.5.3 September 14, 2004
>>From: cm<cm at domain.cht>
>>Date: 07-Sep-2005 08:19:55 CEDT
>>Message-ID:
>>X-MIMETrack: Serialize by Router on skp_bonn/Simon-Kucher(Release7, |
>>March 27, 2005) at
>>07.09.2005 08:19:57
>>MIME-Version: 1.0
>>Content-type: text/plain; charset=ISO-8859-1
>>Content-transfer-encoding: quoted-printable
>>...
>>
>>As you see this mail header is pretty broken. lmtpengine.c checks for
>>an empty message id. If it's empty it won't be delivered to the
>>mailbox. I'm sure that is correct.
>>
>>Postfix with lmtp sends the correct error message:
>>Sep  7 10:06:58 mail2 postfix/lmtp[85322]: 44D495C161:
>>to=<gtest at domain2.ch>, relay=mail3.domain.ch[xxx.xxx.xxx.xxx],
>>delay=0, status=bounced (host mail3.domain.ch[xxx.xxx.xxx.xxx] said:
>>554 5.6.0 Message contains invalid header (in reply to end of DATA
>>command)).
>>Exim with cyrus delivery returns: Error code 65. This looks a bit
>>strange.
>>
>>But since postfix and exim delivers this "broken" mail to cyrus
>>without any problem I starting to think if cyrus does not make to
>>many RFC checks. We know the world is not perfect.
>>
>>Anyway, are there any site effects if I remove the check on line 722
>>and 723 in lmtpengine.c?
>>} else if (body) {
>>         r = IMAP_MESSAGE_BADHEADER;  /* empty message-id */
>>    
>>
>
>I've been hit by the same problem recently. This is what I added to
>/etc/postfix/header_checks to fix the broken mnessages:
>
># Remove empty Message-ID headers from broken Notes implementation
>/^Message-ID:[[:space:]]*$/ IGNORE
>
>Regards,
>Simon
>
>  
>
>>Regards
>>Thomas
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