Delivered-To: robert.smith@gmail.com Return-Path: <> Subject: Delivery Status Notification (Failure) From: Mail Delivery Subsystem To: robert.smith@gmail.com Content-Type: multipart/report; boundary="00000000000093475906390e1e9b"; report-type=delivery-status Auto-Submitted: auto-replied Message-ID: <686707c9.050a0220.302e7d.0cb2.GMR@mx.google.com> Date: Thu, 03 Jul 2025 15:44:25 -0700 (PDT) X-Failed-Recipients: alex.jones@fictionalcorp.com --00000000000093475906390e1e9b Content-Type: multipart/related; boundary="000000000000936d8406390e1ec7" --000000000000936d8406390e1ec7 Content-Type: multipart/alternative; boundary="000000000000936d9006390e1ec8" --000000000000936d9006390e1ec8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable ** Address not found ** Your message wasn't delivered to alex.jones@fictionalcorp.com because the address co= uldn't be found or is unable to receive email. Learn more here: https://support.google.com/mail/?p=3DNoSuchUser 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=3DNo= SuchUser d2e1a72fcca58-74ce2b0525csor332154b3a.0 - gsmtp --000000000000936d9006390e1ec8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=3D"Error

Address not found

Your message wasn't delivered to alex.jones@fictionalcorp.com because the address couldn't be found = or is unable to receive email.
LEARN MORE
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=3DNo= SuchUser d2e1a72fcca58-74ce2b0525csor332154b3a.0 - gsmtp

--000000000000936d9006390e1ec8-- --000000000000936d8406390e1ec7 Content-Type: image/png; name="icon.png" Content-Disposition: attachment; filename="icon.png" Content-Transfer-Encoding: base64 Content-ID: --000000000000936d8406390e1ec7-- --00000000000093475906390e1e9b Content-Type: message/delivery-status --00000000000093475906390e1e9b Content-Type: message/rfc822 Date: Thu, 03 Jul 2025 15:44:23 -0700 From: Robert Smith Reply-To: robert.smith@gmail.com To: alex.jones@fictionalcorp.com Message-ID: In-Reply-To: Subject: Just checking in Mime-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

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

--00000000000093475906390e1e9b--