Claas Langbehn wrote: > Hello guys 'n' girls, > > I am receiving a lot of spam from my secondary MXes. I can even say that > 99.9% of the mails I receive from my MXes is SPAM. As long as I am > deleting mails to not existing users, it's okay. But when I am bouncing > the mails, I am probably getting bounces back again. > Which is the best way to deal with those bounces?
Tighten security on the backup MX machines. Use more RBLs, and try greylisting. That's what I do. Regards, Bill
