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Article: 1077
From: Peter Bates
Date: 2006-07-26 09:35:44 -0400
Subject: Trouble with Postfix 2.3 and milter-clamc

Removal...........: milters-request@milter.info?subject=remove
More information..: http://www.milter.info/#Support
--------------------------------------------------------


Hello there...

Well, no sooner is there milter support in Postfix
and subsequent releases of the milters here, does someone try and use
them...

I'm getting the following error in testing:

Jul 26 14:26:57 bresslaw postfix/smtpd[4259]: connect from
icecube[193.63.251.18]
Jul 26 14:26:57 bresslaw milter-clamc[3693]: 00002 NOQUEUE:
filterOpen(91f1598, 'icecube', [193.63.251.18])
Jul 26 14:26:57 bresslaw milter-clamc[3693]: 00002 NOQUEUE: host
icecube [193.63.251.18] from unknown TLD
Jul 26 14:26:57 bresslaw milter-clamc[3693]: 00002 NOQUEUE: reply 550
5.7.1 connection icecube [193.63.251.18] blocked
Jul 26 14:26:57 bresslaw milter-clamc[3693]: socketClose(0) s.fd=-1
Jul 26 14:26:57 bresslaw postfix/smtpd[4259]: NOQUEUE: milter-reject:
CONNECT from icecube[193.63.251.18]: 550 5.7.1 connection icecube
[193.63.251.18] blocked; proto=SMTP
Jul 26 14:26:57 bresslaw milter-clamc[3693]: socketClose(0) s.fd=-1
Jul 26 14:26:57 bresslaw milter-clamc[3693]: 00002 NOQUEUE:
filterClose(91f1598)
Jul 26 14:26:57 bresslaw postfix/smtpd[4259]: lost connection after
CONNECT from icecube[193.63.251.18]
Jul 26 14:26:57 bresslaw postfix/smtpd[4259]: disconnect from
icecube[193.63.251.18]

I can solve this problem adding '-reject-unknown-tld' to
milter-clamc.cf,
but I'm a bit curious as to the cause, or whether it's just terrible
misconfiguration
on the part of the client I am sending from not properly using a FQDN
as its HELO/EHLO.

Jul 26 14:31:14 bresslaw milter-clamc[3693]: 00003 NOQUEUE: host
icecube [193.63.251.18] from unknown TLD
Jul 26 14:31:14 bresslaw milter-clamc[3693]: 00003 NOQUEUE: reply 550
5.7.1 connection icecube [193.63.251.18] blocked
Jul 26 14:31:14 bresslaw postfix/smtpd[4290]: NOQUEUE: milter-reject:
CONNECT from icecube[193.63.251.18]: 550 5.7.1 connection icecube
[193.63.251.18] blocked; proto=SMTP

I'm also seeing a few of these:
Jul 26 13:49:50 bresslaw milter-clamc[3693]: i6QCko0369329d1
rcpt=notify@milter.info failed to connect

which I don't understand at all!

Any suggestions gratefully received.



--------------------------------------------------------------------------------------------------->
Peter Bates, Systems Support Officer, IT Services.
London School of Hygiene & Tropical Medicine.
Telephone:0207-958 8353 / Fax: 0207- 636 9838 

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