Email is stuck in the queue with 421 4.2.2 Connection dropped due to SocketError

Posted by e0594cn on Server Fault See other posts from Server Fault or by e0594cn
Published on 2011-01-18T05:18:49Z Indexed on 2012/06/05 10:42 UTC
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exchange-2010

We recently installed an Exchange 2010 Server and we are having some problems sending emails to certain domains. Email is stuck in the queue with 421 4.2.2 Connection dropped due to SocketError.

Any Suggestion? The below is the message when using telnet command:

EHLO etla.com.cn
250-aa6061.com Hello [58.215.221.50]
250-TURN
250-SIZE 15360000
250-ETRN
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-8bitmime
250-BINARYMIME
250-CHUNKING
250-VRFY
250-X-EXPS GSSAPI NTLM LOGIN
250-X-EXPS=LOGIN
250-AUTH GSSAPI NTLM LOGIN
250-AUTH=LOGIN
250-X-LINK2STATE
250-XEXCH50
250 OK
MAIL FROM:[email protected]
250 2.1.0 [email protected] OK
RCPT TO:[email protected] NOTIFY=success,failure
**550 5.7.1 Your email messages have been blocked by the recipient OR by Trend Mic
ro Email Reputation Service. Contact the recipient or his/her administrator usin
g alternate means to resolve the issue.**

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Developer IT

Email is stuck in the queue with 421 4.2.2 Connection dropped due to SocketError - Developer IT

Email is stuck in the queue with 421 4.2.2 Connection dropped due to SocketError

exchange-2010

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