On Mon, May 18, 2015 at 10:52:52AM +0200, Peter N. M. Hansteen wrote: > On Mon, May 18, 2015 at 10:05:45AM +0200, Alex Greif wrote: > > But in some cases, the sender mail server tried so often from different > > SMTP IPs, and finally gave up with an error to the sender. Then the sender > > and > > receiver persons are quite unhappy, and a lot of time is vasted. > > In most cases the MXes will be in an identifiable IP address range such as > 194.54.104.64/26 (just a random example) you can add to a PF table > > > Another problem with IPs is that the SMTP servers often change, so that IPs > > get > > obsolete, or new ones are set up. > > Again, unless they jump to addresses in totally unrelated ranges, something > like > the nospamd example in the spamd man page should do the trick. (I make my > nospamd > file available at http://www.bsdly.net/~peter/nospamd if you want to start > from a > working examplei in addition to the rules from the man page) >
thanks, I will do it as you suggested. And will keep an eye on "spamdb|grep GREY" output. Alex.

