On Mon, 2005-03-14 at 04:08, Roger Grosswiler wrote: > > as soon as you don't need e-mails out of those ranges, it's quite helpful, i even blocked some ranges in the > beginning. when i set up rbl-checking, i had to have patience for about 1 month, since then, i just have 2-3 attempts > per day. RBL sorts in good quality good from bad traffic. Unfortunately, it doesn't block those zombies - perhaps > infected by a worm. > > But, at least for those IP's you can save yourself also dns-traffic ;-) > > Roger Another tool that defeats zombies almost 100% is greylisting. Implement greylisting and your system will not have to spend additional resources running spamassassin or rbl checks on spam coming from zombie systems. -- Scot L. Harris webid@xxxxxxxxxx Everything that you know is wrong, but you can be straightened out.