Re: do you use SPF TXT RRs? (RFC4408)

[Jared Mauch <jared () puck nether net>]

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 () 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