On 25/02/2012 13:41, Bender, Chris wrote:

Hi Paul,

What is happening is mail is coming from machine A--àsent 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.ben...@cell.com>, ctladdr=<build@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.


Ok,  i don't know Postfix so someone else might have to pick up here.

It sounds like there might be a local mailer (submission queue) running on X, but not SMTP. The message from A was that it couldn't connect to X. (Deferred: Connection timed out with tools2.wms.cell.com)

what do you get if you try telnetting from A to X
telnet tools2.wms.cell.com 25

(if you get a connection, good, try following these instructions to send a mail manually via telnet) http://www.yuki-onna.co.uk/email/smtp.html

If not, have you tried restarting postfix on X?

Paul.



*From:*Paul Macdonald [mailto:p...@ifdnrg.com]
*Sent:* Saturday, February 25, 2012 5:42 AM
*To:* Bender, Chris
*Cc:* freebsd-questions@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=<i...@domain.com> <mailto:i...@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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