I gave up 5 years ago after running qmail for 15 years, I just didn't want to deal with the spam anymore, it constantly needed some adjustments. I use one of t

I gave up 5 years ago after running qmail for 15 years, I just didn't want to deal with the spam anymore, it constantly needed some adjustments. I use one of these domain+email only webhosters, doesn't cost much more than the domain itself and they do a better job than I did in my spare time. I still get spam but it's maybe 5 mails per day and I have catchall on a 20 year old domain.