Sendmail setup with Nagios

[Jon Angliss]

On Wed, 8 Oct 2008 17:55:09 -0800, Izz Abdullah
<izz_abdullah at inbox.com> wrote:

>I've read the documentation, and have two options:
>1. relay alerts from the Nagios server to our local Exchange server (which is too much company politics)
>2. setup sendmail correctly to send alerts
>
>So, I know now how to do number one (I think), but number 2, cannot.  I am an experienced linux user, but have always been anti-sendmail because of the different security risks over the past.  I am guessing that not only does sendmail have to be installed, but the Nagios server must also act as a mail server.  Can someone please guide me in arranging this setup correctly as I am stuck and need to get alert notifications setup correctly soon.

I'm trying to figure out what you're trying to do.  Are you trying to
send your emails through the exchange server's SMTP service? Or are
you trying to get the server running nagios send them directly to
their destination?  

If you're trying to use the Exchange server as a relay, use the
SMARTHOST option in Sendmail.  However, I think that's overkill for
simply relaying.  Checkout nullmailer, or ssmtp.  Both are small,
lightweight smtp services that relay through a server, which in this
case would be your exchange server.  You just have to be cautious of
relying on your Exchange server, as if that goes down, you won't get
alerts.
-- 
Jon Angliss


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