MailScanner Looping? - REVISITED with more info

[Jules Field]

Do this on the latest release. You may well find the behaviour has changed.

On 29/11/2009 01:00, Edward Dekkers wrote:
> ***UPDATE*** attachment files linked here because message size was too big
> for mailing list:
>
> http://www.mediafire.com/file/tizj1mmgtnt/9FC8FC702F1
>
> http://www.mediafire.com/file/43z2n41mzox/C8A3CC70115
>
> P.S. I HAVE notice Alessandro has a similar problem - perhaps he can
> elaborate as well and compare notes?
>
> RECAP - MailScanner is looping - it runs on a batch of messages, and one or
> two will break something and cause MS to NOT clear the queue, resulting in a
> loop. Unfortunately it doesn't seem to process the messages that are fine
> causing non-problematic to pile up in the HOLD queue.
>
> Configuration:
>
> Upgrade Ubuntu Server from 9.04 to 9.10 recently - never any issues before.
>
> Previously Glenn has asked me to keep an eye on this and give some more
> debugging information:
>
>    
>> The lint can be done with MailScanner live, but the debug is better
>> run with the system "quiscent"... That way you have better control and
>> can inspect the queue files in the "incoming" (PF "out";-)
>> directory... If any. The debug will take one batch from hold, so if
>> one want to check one message at a time... ;-)
>>
>>      
>>> Regards,
>>> Ed.
>>>
>>>        
>> Cheers
>> --
>> -- Glenn
>>      
> Herewith I present the results of MailScanner --lint:
>
> =======================================================
> root at ubuntu:/usr/share/MailScanner/bin# MailScanner --lint
> Trying to setlogsock(unix)
> Read 856 hostnames from the phishing whitelist
> Read 8708 hostnames from the phishing blacklist
> Checking version numbers...
> Version number in MailScanner.conf (4.74.16) is correct.
>
> Your envelope_sender_header in spam.assassin.prefs.conf is correct.
> MailScanner setting GID to  (121)
> MailScanner setting UID to  (113)
>
> Checking for SpamAssassin errors (if you use it)...
> Using SpamAssassin results cache
> Connected to SpamAssassin cache database
> SpamAssassin reported no errors.
> Using locktype = posix
> MailScanner.conf says "Virus Scanners = clamav"
> Found these virus scanners installed: clamd
> ===========================================================================
> Insecure dependency in chown while running with -T switch at
> /usr/share/MailScanner//MailScanner/Message.pm line 2407.
> ============================================================================
> ===========================================
>
> I then place message 9FC8FC702F1 in the queue and get this with MailScanner
> --debug:
>
> ============================================================================
> =========
> root at ubuntu:/usr/share/MailScanner/bin# MailScanner --debug
> In Debugging mode, not forking...
> Trying to setlogsock(unix)
> Building a message batch to scan...
> Have a batch of 1 message.
> max message size is '200k'
> Insecure dependency in open while running with -T switch at
> /usr/lib/perl/5.10/IO/File.pm line 63.
> ============================================================================
> ========================
>
> I remove that message from the queue, and enter message C8A3CC70115:
>
> ======================================================================
> root at ubuntu:/usr/share/MailScanner/bin# MailScanner --debug
> In Debugging mode, not forking...
> Trying to setlogsock(unix)
> Building a message batch to scan...
> Have a batch of 1 message.
> Insecure dependency in open while running with -T switch at
> /usr/lib/perl/5.10/IO/File.pm line 63.
> ============================================================================
> ======================
>
> The above two messages will cause MailScanner to fail. The thing about the
> -T switch doesn't seem to affect the messages without a problem, but if you
> guys have a clue about how to get rid of that error messages, I'd be
> grateful.
>
> I've attached the problematic messages.
>
> Hopefully I've provided you guys with a lot more this time.
>
> Regards,
> Ed.
>
>
>
>
>
>    

Jules

-- 
Julian Field MEng CITP CEng
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