lazyweb: what's your preferred mail server setup docs on Unixoids for someone who's good at admin stuff (and thus doesn't need automagic things, esp if they clobber existing setups) but has no clue how mail works? an org's server needs mail (esp down the road for automated application mails) and I'm not paying for Office 365/Google Apps.
@calvin I'm self hosting email for myself & my wife. Using OpenBSD + OpenSMTPD + roundcube for the web interface.
Blogged on it here: