The original message was received at Thu, 1 Dec 2022 11:20:22 GMT from m0283299.ppops.net [127.0.0.1] ----- The following addresses had permanent fatal errors ----- <olav.sorensen@anderson.ucla.edu> (reason: 550 5.1.1 <olav.sorensen@anderson.ucla.edu>... User unknown) ----- Transcript of session follows ----- ... while talking to [164.67.163.250]:

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DATA <<< 550 5.1.1 <olav.sorensen@anderson.ucla.edu>... User unknown 550 5.1.1 <olav.sorensen@anderson.ucla.edu>... User unknown <<< 503 5.0.0 Need RCPT (recipient)