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Date:      Thu, 21 Feb 2002 23:34:18 -0500
From:      "Andre Fortin" <apfortin@cyberbeach.net>
To:        <freebsd-isp@freebsd.org>
Subject:   Sendmail prematurely failing send attempts
Message-ID:  <NDBBJAKLELDAGKJFOEIAKEHNEJAA.apfortin@cyberbeach.net>

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Hello,

I'm running sendmail 8.11.6 on a FreeBSD 4.5-STABLE system.  I'm having a
problem with one particular ISP, when sending mail to them.  Earlier, the
ISP had a lame DNS entry for their mail server, and my sendmail system
started deferring messages destined to that ISP.  The problem is, the DNS is
fine now, and I can even telnet to port 25 on that mail server from my mail
server.  MX lookups are also fine.  Everything seems AOK.  The problem is,
even after totally wiping(actually, I just moved) the queue, the messages
are still being deferred, with the error 'stat=Deferred: Operation timed out
with mail.otherisp.com.'.  This is odd considering a telnet session to that
ISP works perfectly fine..

I have restarted the sendmail daemon, killed it and waited for all processes
to end, waited a bit longer, turned it back on, with the same result.
Starting sendmail with -X shows that there is absolutely no exchange of data
between our mail server and theirs.  netstat -an shows no active or
TIME_WAIT connections to their mail server... Sendmail simply isnt even
trying at all... Forcing with sendmail -qRisp.com simply spits out a bunch
of 'deferred' messages and never even tries the first time.  The only thing
I can think of that I haven't done is reboot the whole server, however I'd
like to avoid that if I can(its bad enough I have to shut down a server with
a 400 day uptime on it soon due to a movie, I want to build up a new
high-uptime FBSD machine as soon as possible :)).

Anyone have any ideas?

Thanks in advance,

Andre
apfortin@cyberbeach.net


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