setting up a linux server for email

i'm about to set up a linux server (dedicated) for email - what's the best way to do this? specifically:

- which programs should i use?
- what are the security issues?
- what's a good book on the subject?

daniel

p.s. thanks to everyone for all the answers i've been getting for my newbie questions - i have no idea what i would have done if i hadn't found this website!

 

 

 

 

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