[Wolves] small linux

[SimonB]

Hiya,
I'm going to finally make the server i've been going on about for the 
last several weeks, one question, Distro.

Debian is fair enuff, but i want the bare minimum, i just want to run 
exim imapd sshd and such.

Can someone tell me the bare minimum i need to get these working, with a 
full install of preferably well under 512Mb (dont like bloat). Its going 
on a 40Gb HDD but i want to make sure i have the space for future devel.

Also if im setting up a mail server do i need to start playing with dns? 
I'm guessing that i need something like one of those dynamicDNS things 
as i dont have a static address.

Or if i do get a static address (keeping the server at work (we bought 
13 but we use 2 with easynet)) would that just mean that i either have 
to also setup bind :( or use one of our DNS's??

Thanks,
SimonB