I'm trying to understand the practical value of continuing to honor legacy policy mechanisms. If you don't have a spoofing problem, what does your SPF record actually do, aside from acting as a deterrent?
On 7/6/12 1:54 PM, "Scott Kitterman" <[email protected]> wrote: >On Friday, July 06, 2012 08:24:16 PM Franck Martin wrote: >> So when you have so many policies to choose from, it is better to remove >> ambiguity and as DMARC is built on top of SPF and DKIM and more recent, >> then best to ignore the policy components of the underlying protocols. > >This worries me as a sender. All I want from DMARC is the feedback bit. > >As it stands, SPF works very well for my use case (small domain sending >to a >modest number of receivers who only very rarely use transparent >forwarding). >I am, however absolutely NOT a candidate for any kind of DMARC policy >other >than monitor. > >In my last DMARC report from Google, kitterman.com listed 3,130 messages >from >136 IP addresses. 100% fail the SPF portion of DMARC due to lack of >alignment >(the are all either web generated or email lists). Only 7 of 3,130 had a >DKIM >signature survive and be aligned. > >Absolutely none of those messages would have been rejected due to my -all >SPF >record. None of those messages were abusive as far as I can tell from >the >provided information. > >A DMARC monitor policy should mean precisely that. Monitor and provide >feedback. Trying to tell people to ignore my SPF record because I also >have a >DMARC record that says not to do anything is just wrong. > >If people don't want mail rejected due to SPF or ADSP, then they >shouldn't >publish DNS records inviting that. DMARC absolutely should not change >that. >If it does, then I don't want to do anything with it. > >Scott K >_______________________________________________ >dmarc-discuss mailing list >[email protected] >http://www.dmarc.org/mailman/listinfo/dmarc-discuss > >NOTE: Participating in this list means you agree to the DMARC Note Well >terms (http://www.dmarc.org/note_well.html) _______________________________________________ dmarc-discuss mailing list [email protected] http://www.dmarc.org/mailman/listinfo/dmarc-discuss NOTE: Participating in this list means you agree to the DMARC Note Well terms (http://www.dmarc.org/note_well.html)
