Subject: Undelivered Mail Returned to Sender

From: [email-masked] (Mail Delivery System)
Date: Tue, 3 Jul 2018 20:53:00 -0400 (EDT)

This is the mail system at host shining-armor.mit.edu.

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

<[email-masked]>: host DMZ-MAILSEC-SCANNER-5.mit.edu[18.7.68.34] refused to
    talk to me: 554 5.7.1 You are not allowed to connect.

Subject: test
From: [email-masked] (jbarnold)
To: [email-masked]
Date: Thu, 28 Jun 2018 20:33:40 -0400 (EDT)

test