[130482] in North American Network Operators' Group
Re: do you use SPF TXT RRs? (RFC4408)
daemon@ATHENA.MIT.EDU (Jared Mauch)
Mon Oct 4 13:35:50 2010
In-Reply-To: <8C26A4FDAE599041A13EB499117D3C28406051A6@ex-mb-2.corp.atlasnetworks.us>
From: Jared Mauch <jared@puck.nether.net>
Date: Mon, 4 Oct 2010 13:34:54 -0400
To: Nathan Eisenberg <nathan@atlasnetworks.us>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
I've found lots of domains with +all which really should be -all since they w=
ere all spam.=20
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.
>=20
> I would rethink this practice. Many spammers publish SPF valid records th=
ese days precisely because of this.
>=20
> Nathan=20
>=20
>=20
