[ale] Sendmail delivery timeout

[Jim Kinney]

The timeouts you list look to be typical so changing them is not going to
resolve this issue. It looks like the baracuda puked on the relay and
returned a very useless dropped connection error.

I'm assuming this is a consistent error from same user client to same
recipient behind baracuda. test send with a different mail client. Send the
same PDF file as well as a tiny test text message.

On Thu, Sep 29, 2011 at 1:08 PM, Jeff Hubbs <jhubbslist at att.net> wrote:

> I have a problem where a Sendmail server will timeout on a user's
> outbound message, apparently upon trying to reach a set of load-balanced
> Barracude spam filters:
>
> Sep 28 13:35:25 mailserver4 sendmail[30969]: p8SHZPtR030969:
> from=<john at bio.foo.bar>, size=1569685, class=0, nrcpts=2,
> msgid=<0C4C4C48-8BE8-4FF8-8F58-42D7F6024DBA at bio.foo.bar>, proto=ESMTP,
> daemon=MTA, relay=deliverator.foo.bar [130.207.165.163]
> Sep 28 13:35:25 mailserver4 sendmail[30970]: p8SHZPtR030969: alias
> <agape at ccr.foo.bar> => skeletor at gmail.com, agro246 at mail.foo.bar
> Sep 28 13:35:25 mailserver4 sendmail[30970]: p8SHZPtR030969: alias
> <hakamoto at ccr.foo.bar> => hakamoto at comail.green.org,
> hakamoto at comail.green.org
> Sep 28 13:35:26 mailserver4 sendmail[30970]: p8SHZPtR030969: SMTP
> outgoing connect on mailserver4
> Sep 28 13:38:52 mailserver4 sendmail[30970]: p8SHZPtR030969:
> SYSERR(root): timeout writing message to barracuda5-1.green.org.:
> Connection reset by barracuda5-1.green.org.
> Sep 28 13:38:52 mailserver4 sendmail[30970]: p8SHZPtR030969: SMTP
> outgoing connect on mailserver4
> Sep 28 13:42:18 mailserver4 sendmail[30970]: p8SHZPtR030969:
> SYSERR(root): timeout writing message to barracuda5-2.green.org.:
> Connection reset by barracuda5-2.green.org.
>
> Message in question did have a significant attachment (PDF) but its size
> is not known to me.
>
> 206 seconds separate the connection attempts from MAILSERVER4 to
> BARRACUDA5-1 or -2.  If I want to increase the timeout in Sendmail,
> there are a bunch of choices (see grep output below) but none of them
> nor any obvious combination of them appear to yield 206 seconds.  What
> to do?
>
>
> # open connection cache timeout
> O ConnectionCacheTimeout=5m
> # timeouts (many of these)
> #O Timeout.initial=5m
> #O Timeout.connect=5m
> #O Timeout.aconnect=0s
> #O Timeout.iconnect=5m
> #O Timeout.helo=5m
> #O Timeout.mail=10m
> #O Timeout.rcpt=1h
> #O Timeout.datainit=5m
> #O Timeout.datablock=1h
> #O Timeout.datafinal=1h
> #O Timeout.rset=5m
> #O Timeout.quit=2m
> #O Timeout.misc=2m
> #O Timeout.command=1h
> #O Timeout.ident=5s
> #O Timeout.fileopen=60s
> #O Timeout.control=2m
> O Timeout.queuereturn=7d
> #O Timeout.queuereturn.normal=5d
> #O Timeout.queuereturn.urgent=2d
> #O Timeout.queuereturn.non-urgent=7d
> #O Timeout.queuereturn.dsn=5d
> O Timeout.queuewarn=2d
> #O Timeout.queuewarn.normal=4h
> #O Timeout.queuewarn.urgent=1h
> #O Timeout.queuewarn.non-urgent=12h
> #O Timeout.queuewarn.dsn=4h
> #O Timeout.hoststatus=30m
> #O Timeout.resolver.retrans=5s
> #O Timeout.resolver.retrans.first=5s
> #O Timeout.resolver.retrans.normal=5s
> #O Timeout.resolver.retry=4
> #O Timeout.resolver.retry.first=4
> #O Timeout.resolver.retry.normal=4
> #O Timeout.lhlo=2m
> #O Timeout.auth=10m
> #O Timeout.starttls=1h
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-- 
-- 
James P. Kinney III

As long as the general population is passive, apathetic, diverted to
consumerism or hatred of the vulnerable, then the powerful can do as they
please, and those who survive will be left to contemplate the outcome.
- *2011 Noam Chomsky

http://heretothereideas.blogspot.com/
*
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