On Tue, Oct 07, 2008 at 02:58:52PM +0200, mouss wrote: > Johan Andersson wrote: >> Hi, >> We are thinking to implement some form of greylisting at one of our sites >> and wonder which one of the many flavors out there >> that this group have found reliable? >> I know postfix has its builting one from a while back, but feel unsure if >> it viable for our site... postgrey and gps seems they added >> some features that mighe be usable for us... like automatic trunking of >> the list >> I just starting to read up on it so I feel very noobish at the moment :) >> We have six MTA's that receive approx 1million emails a day (total) on >> roundrobined addresses. >> Anyone else out there with some experience on the different greylisting >> models? > > > try (Cami's) policyd. it's written in C as a single threaded daemon. it > uses mysql (myisam unfortunately!). Cami is no more working on it, but it's > stable enough (and Cami used it in an ISP environment). > > it has other features (rate limiting, blacklist, whitelist, ...) > > check > http://www.policyd.org/ > and look at the "Old policyd V1". >
If you do not have anything in place, I would recommend looking at the version 2 policyd that is more database backend agnostic. It is written in perl and uses DBD/DBI to connect to the backends. That way you can avoid being locked in to a particular database backend be it MySQL, PostgreSQL, Oracle, ... Ken