[azinman2]

What are you doing for spam filtering?

[andrewgioia]

Just spamassassin and postgrey that ship with mail-in-a-box (https://github.com/mail-in-a-box/mailinabox).

I had an issue last year with it not detecting or learning a particular Russian spammer but as of ~4 months ago they all now correctly go to spam. Otherwise it's been very good.