Bill Shupp wrote:
Tighten security on the backup MX machines. Use more RBLs, and try greylisting. That's what I do.
Unfortunately, I have no control over the backup MX servers. I thought maybe there would be a way to treat mails from MX servers different. e.g. Don't bounce mails if delivered in from a MX. But that'll probably lead to other complications. okay, never mind, I just wanted to ask :) Claas
