From: Sandbox Mail Transport Daemon (build 19650602)
To: xxxxxxxx
Date: xxxxxxxx
Subject: Message Undelivered: Project Syzygy Completed

Hello,

This is the mailer daemon at incoming.sandbox.academy. I'm sorry, but I have
been unable to deliver your message (subject: Project Syzygy Completed) for the
last 24 hours. I shall keep trying every hour for the next 7 days. If you don't
hear from me again, you may assume your message has been delivered.

The reason why your message hasn't been delivered so far is that data integrity
transport checksums have failed on all transport attempts. Preliminary diagnostic
information available to me indicates that there has been a failure in Sandbox
Mail Transport Daemon (daemon subprocess 3ea5). 

Should you wish further information on this error, please access your designated
support resource. Unfortunately, the security context for this instance dictates
I may not disclose your designated support resource.

--- Your original message follows:

Received: (Sandbox Mail Transport Daemon 4928 remote invocation); xxxxxxx
Received: from xxxxxxxx (HELO xxxxxxxx)
Date: xxxxxxxx
Subject: Project Syzygy Completed
To: xxxxxxxx
From: xxxxxxxx

Sente,

I am pleased to inform you that milestone 24 (Project Syzygy) has concluded 
successfully. The team over here has now been assembled and you'll get a chance
to speak to everyone over the next week or so. We're all very excited to be 
working with the Academy on this.

Yours,

xxxxxxxx (xxxxxxxx)