In article <caaqnkjdzds+wgtys-81rknh8ujqivpp8hkqo7c_yovta5tz...@mail.gmail.com> you write: >Rewriting the from address to something that fails -- and thus is >potentially going to fail delivery at any ISP that checks to see if >the from address is valid -- seems crappy to me.
Sorry, I don't understand what point you're making here. Where do you see something that fails? R's, John >Regards, >Al Iverson >On Sat, Oct 13, 2018 at 8:01 PM John Levine via dmarc-discuss ><dmarc-discuss@dmarc.org> wrote: >> >> In article <e4bd2580-22c4-ce96-4c6c-766bb0dcf...@cheshireeng.com> you write: >> > > When the IETF was trying to figure out what sort of anti-DMARC hackery >> > > to do for its mailing lists, we did some experiments. ... So we gave >> > > up and rewrite the From: headers. >> > >> >A defect in the method used in this list (and Y!Groups, fwiw) is that >> >every message from the list comes through with the exact same email >> >address, <dmarc-discuss@dmarc.org>, in the From field. >> >> There's more than one way to rewrite a From: header, and that's the worst. >> >> On my system if the incoming header looks like this: >> >> From: Marissa <mme...@yahoo.com> >> >> It gets rewritten like this: >> >> From: Marissa <me...@yahoo.com.dmarc.fail> >> >> The IETF does more or less the same thing but it's uglier because the >> guy who did it believes there is something special about the three >> characters =40 in an address. >> >> R's, >> John >> _______________________________________________ >> dmarc-discuss mailing list >> dmarc-discuss@dmarc.org >> 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) > > > >-- >al iverson // 312-725-0130 // miami >http://www.aliverson.com >http://www.spamresource.com >_______________________________________________ >dmarc-discuss mailing list >dmarc-discuss@dmarc.org >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 dmarc-discuss@dmarc.org 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)