Subject: Delivery Status Notification (Failure)
From: Mail Delivery Subsystem <[email-masked]>
To: [email-masked]
Date: Sat, 07 Feb 2026 12:39:23 -0800 (PST)

** Message blocked **

Your message to [email-masked] has been blocked. See technical details below for more information.

Learn more here: https://support.google.com/mail/answer/69585

The response was:

Message rejected. For more information, go to https://support.google.com/mail/answer/69585