This is how I do email: - Use my domain providers 1GB mailbox. - IMAP on the phone, POP3 on the PC. - I'm currently not subscribed to any high-volume mailing lists, and won't unless I'm a very active contributor. The only lists I follow is the announce lists from GNU, OpenBSD and FreeBSD. You don't need to subscribe in order to post to many email lists. - Pop my mail into my computer, use procmail to check for spam &…
This is why I don't host my own email. I pay a provider that I trust to do all of this for me.
Neither do I host my mail, I just fetch it from the server. Even if you have your mail kept up there somewhere, you still have to do all this (grouping, spam reporting, ham-checking [i.e. mail you want to read that went into spam folder], getting rid of unwanted mail, managing subscriptions, etc.), but the differences are (a) you don't get to decide which software does all that, (b) you have to use a half-arsed interface to configure groups, filters, etc., and (c) an attacker with your login can get at all your past messages whereas in my setup all he gets is what I didn't fetch yet. All I did was configure the software once (a couple days on-and-off hacking), and I saved myself from those disadvantages and spared ~$30 per year (used to use FastMail).