24 Oct
2023
24 Oct
'23
1:56 p.m.
The original message was received at Tue, 24 Oct 2023 04:47:54 -0700 from m0342468.ppops.net [127.0.0.1] ----- The following addresses had permanent fatal errors ----- <mdell908@stanford.edu> (reason: 550 5.1.1 User Unknown) ----- Transcript of session follows ----- ... while talking to mxb-00000d03.gslb.pphosted.com.:
DATA <<< 550 5.1.1 User Unknown 550 5.1.1 <mdell908@stanford.edu>... User unknown <<< 503 5.5.1 Need RCPT (recipient)