Email issues, relay failure

Sat Feb 25 13:41:36 UTC 2012

Hi Paul,

What is happening is mail is coming from machine A--à sent to a middle machine X which I think is acting as a delivery machine(as I see postfix as a processes) which iisn't the recipient of the mail just

Deliverer. It is also a jails machine. Anyway the logs on system A say the following when sending a mail to me through X.

Feb 25 13:04:17 ccl_imagpsm sendmail[25091]: q1OFs7e0007106: to=<chris.bender at cell.com>, ctladdr=<build at ccl_imagpsm.wms.cell.com> (500/500), delay=21:10:07, xdelay=00:00:00, mailer=relay, pri=4080533, 

relay=tools2.wms.cell.com., dsn=4.0.0, stat=Deferred: Connection timed out with tools2.wms.cell.com.

I did a tcp dump on system X and I did see packets coming in and out from X on port 25 but nothing came in on the maillog.

I then sent the same email I attempted on system A but from system X.

That worked and here is the log.

Feb 25 13:33:44 tools2 postfix/pickup[20706]: F0986628D: uid=0 from=<root>

Feb 25 13:33:44 tools2 postfix/cleanup[21660]: F0986628D: message-id=<20120225133344.F0986628D at tools2.wms.cell.com>

Feb 25 13:33:44 tools2 postfix/qmgr[20707]: F0986628D: from=<root at tools2.wms.cell.com>, size=441, nrcpt=1 (queue active)

Feb 25 13:33:45 tools2 postfix/smtp[21675]: F0986628D: to=<chris.bender at cell.com>, relay=wmsexg01.corp.cell.com[10.200.104.15]:25, delay=0.16, delays=0.03/0.01/0.01/0.11, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as DC069B18973)

Feb 25 13:33:45 tools2 postfix/qmgr[20707]: F0986628D: removed

I am loosing much info as many machines are attempting to  deliver email.

Not sure what to do need a mentor on this.

Please help

Thanks

From: Paul Macdonald [mailto:paul at ifdnrg.com] 
Sent: Saturday, February 25, 2012 5:42 AM
To: Bender, Chris
Cc: freebsd-questions at freebsd.org
Subject: Re: Email issues, relay failure

On 24/02/2012 21:52, Bender, Chris wrote: 

Hi, I am responsible for a system I know little about.

Sendmail all of a sudden stopped working...the sendmial is supposed to
send to another machine.

Check /var/log/maillog on both boxes,

you should see a log message on the origin machine and the onward machine of the form

(I've replaced actual names with CAPS)

Feb 25 10:37:32 SERVER1 sm-mta[74139]: q1OIevSE033413-MSGID: to=<info at DOMAIN.com> <mailto:info at DOMAIN.com> , delay=15:56:34, xdelay=00:01:15, mailer=esmtp, pri=2919788, relay=SOME.RELAY. [X.X.86.167], dsn=4.0.0, stat=Deferred: Operation timed out with [SERVER]

What does the Stat say on the first box, if its anything other than Sent Ok, then it'll say why. ( deferred, refused etc).

Check the logs on the 2nd server for the same message.

Post extracts from both boxes if you need further help

good luck

Paul.
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