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Exchange 2x HELO
We have just installed a new exchange server, and it isnt reciving external mails.
When we telnet to test the server, the first HELO is always denined:-
If I continue to test after it has accepted my second HELO the mail is delivered successfully, but if I send a mail from a normal client, I get nothing through, and no entries in the logs.
Any ideas?
Thank you
When we telnet to test the server, the first HELO is always denined:-
220 SV0002.<<MY SERVER NAME>> Microsoft ESMTP MAIL Service ready at Thu, 5 Jul 2012 10:19:57 +0100
HELO test.co.uk
500 5.3.3 Unrecognized command
HELO test.co.uk
250 SV0002.<<MY SERVER NAME>> Hello [<<MY SERVERS External IP<> ]
If I continue to test after it has accepted my second HELO the mail is delivered successfully, but if I send a mail from a normal client, I get nothing through, and no entries in the logs.
Any ideas?
Thank you
Exchange
Last Comment
tonelm54
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Did you check ip blacklist.
ASKER
Not quite sure what the issue is, its still happening but now works :-S