Subject: Undelivered Mail Returned to Sender
From: "Mail Delivery System" <[email-masked]>
To: <[email-masked]>
Date: Thu, 03 Jan 2019 16:38:33 +0000 (UTC)

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

<[email-masked]>: host alt2.aspmx.l.google.com[74.125.193.26] said:
    550-5.1.1 The email account that you tried to reach does not exist. Please
    try 550-5.1.1 double-checking the recipient's email address for typos or
    550-5.1.1 unnecessary spaces. Learn more at 550 5.1.1
    https://support.google.com/mail/?p=NoSuchUser e3si253886edj.200 - gsmtp (in
    reply to RCPT TO command

Subject: test
From: Robert Hunter <[email-masked]>
To: [email-masked]
Date: Thu, 3 Jan 2019 11:38:30 -0500