This helps me quite some. https://alexander.beard.se/spub/6dd1a43187c19431d087c91e403b756b/index.html
No man page (yet) but the code should should reveal the secrets of most options and switches. Simple start: # spamwhite -nv Two cron jobs: "spamwhite" every few minutes (it's cheap). "spamwhite -a" once per day or so to pick up changes. Not as cheap. /Alexander On 03/28/13 17:52, Sarah Caswell wrote: > Hi all, > > I had a question about greylisting (with spamd) in production. > > I've successfully run spamd on firewalls (as a frontend to either barracuda > or SpamAssassin) and have really liked the reduction in SPAM volume. > > Unfortunately my employer's wife does not like the delays that this > introduces into our mail delivery, since she uses email for quick turn-around > communication. > > The main problem occurs with senders like Gmail, yahoo, hotmail, etc. ...i.e. > all the senders that have large farms of smtp servers from which they can > retry delivery after initial greylisting delay. > > I know this means I'm not doing proper whitelisting of those major sender > domains, but I'm at a loss on how to best construct and maintain such a > whitelist. > > Are there any up-to-date lists that already track the MTAs of these large > mail providers? > > Or will this mostly be a DIY effort on my part? > > Any thoughts/insights/experiences would be greatly appreciated. > > :-) > > Sarah