Re: Is it just me or does this seem like a lot of effort and risk?
Setting up a mail server is actually really easy, and very worthwhile.
Where I differ significantly from the author is in the priorities for the system - I wouldn't be going out buying new kit to try this out. Find a duff old carcass - I've got them from the tip before - and just give it a go. If you decide it's worth your time and attention, *that's* the time to start looking for sexy hardware...