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I do not understand your question properly. Do you want help in configuring Nagios to send email notifications or do you need to know a small yet well build smtp server?
If you are using nagios on Linux distribution (I do not know if it runs on windows as well), then you might as well have a smtp server already installed. Either postfix or sendmail are smtp servers commonly default packages. It may as well depend on the distribution you are using.
Both? If i'm not wrong, i have to add the necessary contacts, contactgroups in the .cfg. I previously posted a thread regarding this.
I've installed ubuntu 9.10 with nagios running fine.
I tried to use postfix, but it didn't send email cause i think i do not have a proper stmp server running. I just downloaded a free smtp server from the web and it's not working. So i thought i have to know of a server which can let nagios send email notifications when services go down.
Which free smtp server did you download? And why download from the net when you can use Synaptic package manager to do that for you. Postfix itself is an smtp server. You need to install postfix and configure it. You also need to configure users in the server.
The smtp server you downloaded seems to only support Windows. That may not help you if you do not have windows machine. Else you will need windows machine in network and will need to install it there and use it as an external mail transport agent for Nagios. Practically it would be better off configuring postfix on the same Ubuntu as Nagios and use it to send the mails.
Ok. I did configure the postfix. I was asked to choose the 'satellite..' option. I'm not sure if i have configured it correctly? During one part of the configuration, i was asked to type in the server name i think, and i used the windows xp server's stmp server name.
And, i've sent a message asking the moderator to close this thread.