[exim] 30 minute delay outgoing mail : tahini.csx.cam.ac.uk

Mailing list emails sent to me show a 30 minute delay at Tahini.

---------------------------

Phil's email about OpenSSL (Tue, 6 Sep 2011 16:55:55 -0400):-

Received: from tahini.csx.cam.ac.uk ([131.111.8.192]:50541) by
m2.u226.com
        with esmtp (Exim 4.63) (envelope-from
        <exim-users-bounces+exim=u61.u22.net@???>) id
1R137t-00012E-8t for
        exim@???; Tue, 06 Sep 2011 22:24:13 +0100

Received: from localhost ([127.0.0.1]:40456 helo=tahini.csx.cam.ac.uk)
by
        tahini.csx.cam.ac.uk with esmtp (Exim 4.76) (envelope-from
        <exim-users-bounces+exim=u61.u22.net@???>) id
1R12h3-00065M-53 for
        exim@???; Tue, 06 Sep 2011 21:56:29 +0100

= 28 minute delay.

--------------------------

Another one (mine, Wed, 07 Sep 2011 00:58:24 +0100):-

Received: from tahini.csx.cam.ac.uk ([131.111.8.192]:47028) by
m2.u226.com
        with esmtp (Exim 4.63) (envelope-from
        <exim-users-bounces+exim=u61.u22.net@???>) id
1R162l-0001Bq-Ff for
        exim@???; Wed, 07 Sep 2011 01:31:07 +0100

Received: from localhost ([127.0.0.1]:51489 helo=tahini.csx.cam.ac.uk)
by
        tahini.csx.cam.ac.uk with esmtp (Exim 4.76) (envelope-from
        <exim-users-bounces+exim=u61.u22.net@???>) id
1R15Xi-0003rt-Gv for
        exim@???; Wed, 07 Sep 2011 00:59:02 +0100

= 32 minute delay.

-----------------------------

The previous email I retained in my Exim box was from Todd (Tue, 06 Sep
2011 06:33:52 -0700 (PDT))

Received: from tahini.csx.cam.ac.uk ([131.111.8.192]:33389) by
m2.u226.com
        with esmtp (Exim 4.63) (envelope-from
        <exim-users-bounces+exim=u61.u22.net@???>) id
1R0w7e-0000ux-1u for
        exim@???; Tue, 06 Sep 2011 14:55:30 +0100

Received: from localhost ([127.0.0.1]:57312 helo=tahini.csx.cam.ac.uk)
by
        tahini.csx.cam.ac.uk with esmtp (Exim 4.76) (envelope-from
        <exim-users-bounces+exim=u61.u22.net@???>) id
1R0vnQ-0003QM-QQ for
        exim@???; Tue, 06 Sep 2011 14:34:36 +0100

= 21 minutes delay.

-----------------------------

Other emails from other sources received at about the same time show 0
seconds delay and 1 second delay.

An Exim email, chosen at random, from 26 August 2011 was delayed for 10
minutes at Tahini. On 5 May 2011, another was delayed for 6 minutes.
Another, 7 November 2010, 6 minutes.


Regards,

Paul.