Subject: Delivery Status Notification (Failure)

Dear [Recipient's Name],

This is an automated message to inform you that your email to [Original Recipient's Email] could not be delivered.

Reason for failure:

• The email address you have attempted to reach is not valid or does not exist.

Please check the email address for any errors and try sending your message again. If you believe this is an error, please contact your system administrator for further assistance.

Thank you for your understanding.

Best regards,
Microsoft Outlook
Delivery Support Team