We're seeing multiple Microsoft-hosted domains having difficulty getting our email.
<redacted>@hsitire.com Open (207.46.163.170) Error 4sec (399 TCP Read failed (Connection reset by peer after 4 seconds) 4 sec) <redacted>@animalhealthinternational.com Open (207.46.163.170) Error 4sec (399 TCP Read failed (Connection reset by peer after 4 seconds) 4 sec) <redacted>@midwestwheel.com ubad=13799805, Site (midwestwheel.com/207.46.163.170) said: 451 4.3.2 Temporary server error. Please try again later ATTR2 <redacted>@pamhc.org Open (207.46.163.170) Error 3sec (399 TCP Read failed (Connection reset by peer after 3 seconds) 3 sec) <redacted>@hsitire.com Open (207.46.163.170) Error 3sec (399 TCP Read failed (Connection reset by peer after 3 seconds) 3 sec) <redacted>@kingsleybank.com Open (207.46.163.170) Error 3sec (399 TCP Read failed (Connection reset by peer after 3 seconds) 3 sec) <redacted>@moc-fv.k12.ia.us Open (207.46.163.138) Error 3sec (399 TCP Read failed (Connection reset by peer after 3 seconds) 3 sec) <redacted>@dordt.edu Open (207.46.163.138) Error 1sec (421 4.3.2 The maximum number of concurrent server connections has exceeded a per-source limit, closing transmission channel (BN1AFFO11FD020.protection.gbl)) <redacted>@nimanranch.com Open (207.46.163.138) Error 1sec (421 4.3.2 The maximum number of concurrent server connections has exceeded a limit, closing transmission channel (BN1AFFO11FD040.protection.gbl)) <redacted>@hsitire.com Open (207.46.163.138) Error 4sec (399 TCP Read failed (Connection reset by peer after 4 seconds) 4 sec) <redacted>@dordt.edu Open (207.46.163.138) Error 3sec (399 TCP Read failed (Connection reset by peer after 3 seconds) 3 sec) Frank 138.163.46.207.in-addr.arpa domain name pointer mail-bn14138.inbound.protection.outlook.com. IP: 207.46.163.138 Origin-AS: 8075 Prefix: 207.46.128.0/17 AS-Path: 31019 8075 AS-Org-Name: Microsoft Corporation Org-Name: Microsoft Corporation Net-Name: MICROSOFT-GLOBAL-NET Cache-Date: 1467291365 Latitude: 47.682900 Longitude: -122.120900 City: Redmond Region: Washington Country: United States Country-Code: US _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop