Monitoring a mail server

[Steve Shipway]

> > He can monitor it via check_tcp, but if amavisd is not functional, 
> > _he's not going to get the email alert._  Because his email isn't 
> > going to work.
...
> Yes, you got it, but how do I send an email alert sent 
> directly to a remote SMTP gateway?

If you are using amavisd, then I take it you have this sort of setup:

port 25 SMTPd ----> port 10024 amavisd  ---> port 10025 SMTPd ----> deliver

although you might have missed out the first step and just had amavisd on
port 25.  If this is the case, why not configure your Nagios notification
command to inject its mail directly into the system on port 10025 rather
than the default 25?  That way you'd bypass amavisd and directly deliver.
Of course you'd still be dependent on the local smtp daemon, but amavisd
would be out of the loop.

Of course, you've probably got port 10025 locked down to localhost only (if
you're sensible :) but that shouldn't prevent Nagios from accessing it.

Steve




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