In the Following weeks, I've been troubleshooting issue with Email queue with information shown bellow
"When send some emails to specific domain email address, emails we're stucked in mail queue with error 421 4.4.2 Connection dropped due to SocketError"
There are several issue and method to resolve but one particularly notice me that there are same procedure to process. This is because the receiving server has requested TLS so your exchange tries to start TLS but somehow has fails and the message is sent without TLS with the normal procedure even though you have disabled TLS this does not stop the receiving server from requesting TLS
You can correct these setting by following procedure bellow:
- Open Exchange Management Shell and type
"Get-SendConnector | FL"
- Type command
"Set-SendConnector -Identity “Name of Send Connector” -IgnoreStartTLS: $TRUE" - After issuing this command, restart the MS Exchange Transport Service
That's it, check your email for any queue left with error specific
PS: If you want to enable TLS just set the IgnoreSTARTTLS parameter to False again.
2 comments:
thanks for that!
just had this problem tonight, and your post helped solve it!
mail immediately began flowing, as soon as I ran the command and restarted the transport service
thanks!
Thanks. worked for me as well.
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