The original message was received at Thu, 11 Mar 2021 07:52:11 -0500 (EST) from mxa-00256a01.gslb.pphosted.com [148.163.150.240] ----- The following addresses had permanent fatal errors ----- <anita.way@nyu.edu> (reason: 550-5.1.1 The email account that you tried to reach does not exist. Please try) ----- Transcript of session follows ----- ... while talking to alt1.aspmx.l.google.com.:

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DATA <<< 550-5.1.1 The email account that you tried to reach does not exist. Please try <<< 550-5.1.1 double-checking the recipient's email address for typos or <<< 550-5.1.1 unnecessary spaces. Learn more at <<< 550 5.1.1 https://support.google.com/mail/?p=NoSuchUser dt11si1405369qvb.17 - gsmtp 550 5.1.1 <anita.way@nyu.edu>... User unknown <<< 503 5.5.1 RCPT first. dt11si1405369qvb.17 - gsmtp