mail server config

[Chris Jensen]

Hi,
Sorry if this is a stupid one. There seems to be very little in the way of 
mail configuration options. How does gnats send out it's notification emails?
Do I need mail software installed on the same machine as the gnats server, or 
can I get it to route through another smtp server located on the network?
If I have to install software locally, what specific software is required?

-- 
Chris Jensen
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