On Tue, Jul 24, 2012 at 03:38:00AM -0500, Stan Hoeppner wrote: > Greylisting only stops bots. It is resource intensive, and causes > delivery delays. There exist bot spam killing solutions that are just > as effective, with less downside. Two are Postfix' postscreen daemon, > and fqrdns.pcre, which rejects based on consumer/dynamic looking rDNS.
I use that in order to decide the greylisting delay: suspect IP get a 12 hours greylist, everyone else gets 15 mn, or 0 if whitelisted by recipeients. It works quite well. -- Emmanuel Dreyfus m...@netbsd.org
