18 Feb
2024
18 Feb
'24
4:59 p.m.
The original message was received at Sun, 18 Feb 2024 10:52:13 -0500 from m0338031.ppops.net [127.0.0.1] ----- The following addresses had permanent fatal errors ----- <Sultan_Orazbayev@hks.harvard.edu> (reason: 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 [CY4PEPF0000EE3E.namprd03.prod.outlook.com 2024-02-18T15:52:14.166Z 08DC28D0A3666A04]) ----- Transcript of session follows ----- ... while talking to hu.mail.protection.outlook.com.:
DATA <<< 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 [CY4PEPF0000EE3E.namprd03.prod.outlook.com 2024-02-18T15:52:14.166Z 08DC28D0A3666A04] 554 5.0.0 Service unavailable