From: Mail Delivery Subsystem <
To: ' '<
Subject: Delivery Status Notification (Failure)
Date: Sun, 25 Nov 2018 14:52:26 +0000
Attachments: icon.png
Embedded: mime_part_2.eml
Error
Icon Address not found
Your message wasn't delivered to because the
address couldn't be found, or is unable to receive mail.
The response from the remote server was:
554 5.7.1 < : Recipient address rejected: user does not
exist
EFTA00485124