SMTP Critical but SMTP is working

[Val Vechnyak]

Hello,

I am running latest beta of Nagios on my RH7.3 box and here is what I get from check_smtp

./check_smtp mail.nycity.com   
SMTP OK - 0 second response time
Socket timeout after 10 seconds

Mail runs on Domino and IS working fine.  Domino also runs on Linux RH7.3.  I am not sure if this is related to a misconfigured Domino or nagios is not seeing something.

P.S. It works against a sendmail server on the same network.

Thank you very much in advance.

VV
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