Some SUmail users have been receiving messages such as the one below when trying to send from their 3rd party email client, such as gmail.
From: Mail Delivery Subsystem <email@example.com>
Subject: Delivery Status Notification (Failure)
[image: Error Icon]
Your message to *firstname.lastname@example.org* has been blocked. See technical
details below for more information.
LEARN MORE <https://support.google.com/mail/answer/2451690>
The response was:
550 5.7.1 Unauthenticated email from syr.edu is not accepted due to
domain's DMARC policy. Please contact the administrator of syr.edu domain
if this was a legitimate mail. Please visit
https://support.google.com/mail/answer/2451690 to learn about the DMARC
This issue can be resolved by sending SUmail emails from the SUmail web client https://sumail.syr.edu
If you are having this problem, and have questions on why it is happening, give ITS Help Desk a call during phone hours at 315 443 2677 or email us at email@example.com.