Subject: Delivery Status Notification (Failure)
From: Mail Delivery Subsystem <[email-masked]>
To: [email-masked]
Date: Thu, 03 Jul 2025 15:44:25 -0700 (PDT)

** Address not found **

Your message wasn't delivered to [email-masked] because the address couldn't be found or is unable to receive email.

Learn more here: https://support.google.com/mail/?p=NoSuchUser

The response was:

550 5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces. For more information, go to https://support.google.com/mail/?p=NoSuchUser d2e1a72fcca58-74ce2b0525csor332154b3a.0 - gsmtp

Subject: Just checking in
From: Robert Smith <[email-masked]>
To: [email-masked]
Date: Thu, 03 Jul 2025 15:44:23 -0700

Hey, just checking in. Let me know if you got my earlier message.