On Fri 10/Oct/2014 06:12:09 +0200 John Levine wrote: >> A more general comment: reading the wiki and the discussions on this >> list, it get the impression that we seem to focus more on the issues >> related to the 'DKIM part of DMARC' then on issues related to the 'SPF >> part of DMARC'. Is my observation correct, do we tend to forget SPF here? > > I agree with Scott, there's not much to say about it. If you forward > or remail a message, the origin IP changes, and there's nothing you > can do about it.
+1 if we are focusing on indirect flows, SPF is out of the game. > Perhaps we can note that in theory the original sender could add > mailing list IPs to its own SPF, but I never heard of anyone doing > that. I don't think that solution can be recommended, because of the guesswork implied in adding addresses in bulk. For example, the advice given in the first bullet of Appendix D.1[1] gives a "neutral" result, which is good for local SPF policies but not for DMARC. Ale [1] http://tools.ietf.org/html/rfc7208#appendix-D.1 _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc