> >> I think what we need is a "three-strikes" meta plugin: if a remote MTA > >> has been sent a DENY_SOFT or DENY and continues to attempt the send a > > > > One of the things on my eternally long list is a throttling system. > > If you connect too often, too fast, go away! > > On linux at least, iptables already does that effectively and efficiently.
I have not seen a simple writeup of how to do this with iptables. Pointers welcome. -R
