Kris Deugau schrieb: > John Hardin wrote: >> Do you greylist? > > Not currently. I'm not sure it's a useful option for a core ISP mail > system, either; a LOT of the more vocal customers are the ones who > expect email email to approximate instant messaging... :/
do selective greylisting look here for postfix http://www.arschkrebs.de/postfix/postfix_greylisting.shtml same selective techniques can be used for i.e spf checks etc this is almost enough for rejecting bots, rbls are a good idea anyway with post reject_unknown_reverse_client_hostname is also very nice > >> Do you use any MTA-level DNSBLs? > > zen. But that doesn't work on all the domains we inherited that were > set up with Postini filtering... :( (Although TBH I don't recall > seeing any reported missed spam hitting the SA subrules for Zen either.) > > -kgd -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria
