Date: Mon, 30 Apr 2018 10:50:51 -0700
From: Mail Delivery System <Mailer-Daemon@challenge-bot.com>
To: ozzloy@challenge-bot.com
Subject: Mail delivery failed: returning message to sender

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This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  me@erindb.com
    Unrouteable address

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Reporting-MTA: dns; challenge-bot.com

Action: failed
Final-Recipient: rfc822;me@erindb.com
Status: 5.0.0

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Date: Mon, 30 Apr 2018 10:50:51 -0700
From: ozzloy palindromemordnilap <ozzloy@challenge-bot.com>
To: me@erindb.com
Subject: hi erin!
User-Agent: NeoMutt/20170113 (1.7.2)

OMG IS THIS WORKING?