New Member
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7 Messages
Mail to Comcast delayed and failing
This just started happening a week ago. Exchange 2019 behind Comcast modem. Error is:
Server at comcast.net (2001:558:fd00:4f::4) returned '400 4.4.7 Message delayed'
12/20/2023 2:39:47 AM - Server at comcast.net (2001:558:fd00:4f::4) returned '451 4.4.397 Error communicating with target host. -> 421 4.2.1 Unable to connect -> SocketError: Failed to connect. Winsock error code: 10051, Win32 error code: 10051'
12/20/2023 2:39:47 AM - Server at comcast.net (2001:558:fd00:4f::4) returned '451 4.4.397 Error communicating with target host. -> 421 4.2.1 Unable to connect -> SocketError: Failed to connect. Winsock error code: 10051, Win32 error code: 10051'
Original message headers:
Received: from XXXXXXXX (192.XXX.XXX.XXX) by XXXXX (192.XXXXXX)with Microsoft SMTP Server (version=TLS1_2,cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 19 Dec2023 17:45:28 -0500
Comcast_ThomasE
Official Employee
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45 Messages
2 years ago
Hello workpc
Have you attempted to reboot your PC? Thank you.
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Comcast_JustinC
Official Employee
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38 Messages
2 years ago
@workpc thank you for sending the direct message, I'll follow up with you there to continue.
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