I'm still doing this one too - took maybe an hour to configure a simple dovecot+postfix+spamassassin setup and I don't have to touch it beyond an upgrade once e

I'm still doing this one too - took maybe an hour to configure a simple dovecot+postfix+spamassassin setup and I don't have to touch it beyond an upgrade once every 6 months or so. Having catchalls at bullshit domains is great.