On Tue, 2015-11-24 at 12:00 +0000, RW wrote: > On Tue, 24 Nov 2015 11:22:20 +0100 > Matthias Apitz wrote: > > > > I have contacted the support of my ISP and phoned them today: the > > hotline guy said, that the technican not even understood the > > problem > > and why there should be together with the IP a rDNS, and why I > > can't > > do the lookup by my own, .... :-( > > You can by running the BOTNET plugin.
Since you probably trust your ISP, why not add its MX(s) and MTA to your trusted_networks list in local.cf? This will stop SA from doing rDNS lookups on them. Martin
