check_smtp times out

[Patrick Morris]

On Fri, 07 Mar 2008, Julie S. Lin wrote:

> Hi All
> 
> for one particular server (mail.borken.com)  it sporadically comes back
> "Socket timeout after 10 seconds " when doing smtp_checks.  however,
> another server
> "outside" the cisco pix firewall works fine doing the same check.  other
> checks involving mail.borken.com come back fine, so firewall doesn't
> appear to be
> an issue.
> 
> below is my configurations.... can anyone kindly point me to things I
> might want to look at?

Mail logs would be where I'd start...  either that or manually running
the check, maybe inside a shell script loop, until it fails.

My first suspicion would be something like a reverse DNS lookup problem
against the nagios host address, but that's a total guess.

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