Hi, look at postfwd.
Cheers, Nik Ram <r...@netcore.co.in> schrieb: >Our client's postfix servers are being frequently getting attacks using > >compromised accounts >In most cases it seems the spammer simply uses a phished >username/password , sends a whole lot of 419ers until we manually >change >the password , but the damage is already done > > >Implementing ratelimits is not really helping because ultimately the >mail will go through after the anvil time. >Since the legitimate users are extremely low email users , I can safely > >block "anyone" permanently who sends more than 1 mail in 10s with zero >FP's > > > >How can I do this ? > > >Thanks >Ram
