[Provenance-Tech] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host provenance.ecs.soton.ac.uk.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<psxrw3 at nottingham.ac.uk>: connect to
    engine03-20433-3.icritical.com[93.95.15.170]:25: Connection refused
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From: provenance-tech at ecs.soton.ac.uk
Subject: Validate your account
Date: Mon, 19 Aug 2013 14:49:24 -0000
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