PRO TIP:
When you don't want to respond to an email or text, respond with the following
Delivery Status Notification (Failure)
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. Learn more at https://support.google.com/mail/?p=NoSuchUser v25sor4447052vsd.42 - gsmtp
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