I've found lots of domains with +all which really should be -all since they were all spam. Jared Mauch On Oct 4, 2010, at 1:08 PM, Nathan Eisenberg <nathan at atlasnetworks.us> wrote: >> If it passes SPF we remove a few points of the spam weight. > > I would rethink this practice. Many spammers publish SPF valid records these days precisely because of this. > > Nathan > >