Subject: Delivery Status Notification (failure and delay) SAMPLE
From: Mail Delivery Subsystem <[email-masked]>
To: Maya Chen <[email-masked]>
Date: Mon, 16 Feb 2026 07:46:00 -0800

This report covers two recipients of one message.

  [email-masked]  delivery delayed, retrying until 20 Feb
  [email-masked]    permanent failure, no such user