The original message was received at Sat, 27 Aug 2022 21:03:14 GMT from m0074417.ppops.net [127.0.0.1] ----- The following addresses had permanent fatal errors ----- (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 aspmx.l.google.com.: >>> 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 y195-20020a814bcc000000b00340c82a1872si1084437ywa.317 - gsmtp 550 5.1.1 ... User unknown <<< 503 5.5.1 RCPT first. y195-20020a814bcc000000b00340c82a1872si1084437ywa.317 - gsmtp