Message not delivered
There was a problem delivering your message to example@example.com. See the technical details below, or try resending in a few minutes.
The response was:
550 "The mail server detected your message as spam and has prevented delivery."


Final-Recipient: rfc822; example@example.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; example.com. (192.0.2.20, the server for the
 domain example.com.)
Diagnostic-Code: smtp; 550 "The mail server detected your message as spam and has prevented delivery."
Last-Attempt-Date: Wed, 21 Mar 2018 00:32:19 -0700 (PDT)