Willy Offermans wrote this message on Mon, Mar 24, 2014 at 14:36 +0100:
> Dear FreeBSD friends,
> Lately I have setup a new FreeBSD server with 10.0-STABLE. Most of it went
> smoothly. However I have an issue with sendmail. Some of the mails can be
> sent out correctly, some of them stay in /var/spool/mqueue/. The provided
> error messages are in the latter case:
> Mar 24 14:16:01 MyServer sm-mta[11725]: s2ODCWT4011717: SYSERR(root): timeout 
> writing message to MyProvider.com: Broken pipe
> Mar 24 14:16:01 MyServer sm-mta[11725]: s2ODCWT4011717: 
> to=<someaddr...@example.com>, delay=00:03:29, xdelay=00:03:26, mailer=relay, 
> pri=1284849, relay=MyProvider.com [XXX.XXX.XXX.XXX], dsn=4.0.0, stat=Deferred
> I'm using Version 8.14.7
> All was fine when I was using Version 8.14.5.
> Since there is a timeout error, I like to know what sendmail is writing to
> MyProvider.com
> Is there a way to debug sendmail to disclose the message written to
> MyProvider.com and the response from MyProvider.com. I'm pretty sure that 
> there lays the solution to my problem.
> Any help is highly appreciated.

You could use tcpflow to capture the flows for myprovider.com and look
at them...

Though you are seeing a timeout, so it sounds like myprovider.com isn't
reading your message in a timely fasion..

  John-Mark Gurney                              Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."
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