Am 07.08.2014 um 22:27 schrieb Marius Gologan: > I’m getting a lot of spam from the domains listed below. > > Since the list is keep growing, I blocked the associated NS (using > check_sender_ns_access) which seems an extreme > measure to me. > > Do you have a better suggestion?
* greylisting * reject generic PTR * combine blacklists and whitelists by weighting * delay accept of connections * enforce protocol policies
