Received this from a student today, as reason why I hadn’t received an earlier lab:
———- Forwarded message ———-
From: Mail Delivery Subsystem <email@example.com>
Date: Mon, Apr 28, 2014 at 4:57 PM
Subject: Delivery Status Notification (Failure)
Delivery to the following recipient failed permanently:
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain smail.raritanval.edu by aspmx.l.google.com. [188.8.131.52].
The error that the other server returned was:
421-4.7.0 [184.108.40.206 15] Our system has detected an unusual rate of
421-4.7.0 unsolicited mail originating from your IP address. To protect our
421-4.7.0 users from spam, mail sent from your IP address has been temporarily
421-4.7.0 rate limited. Please visit http://www.google.com/mail/help/bulk_mail.
421 4.7.0 html to review our Bulk Email Senders Guidelines. vj5si14563211obb.156 – gsmtp
220.127.116.11 IS A GOOGLE MAIL SERVER.
Thus, Google is complaining about spam originating from: Google.
Talent. It’s everywhere.