Google groups replace the from: with their group address. What I know the big providers having strict DMARC setting are:
mail.ru laposte.net I am glad the more large providers like gmail, outlook don’t have this stupid setting. Regards On Sat, Nov 23, 2019, at 5:13 PM, Roland Köbler wrote: > Hi, > > > when validating DMARC, it use the envelop address, or use from address from > > the header? > it unfortunately uses the from-header. > (If it would use the envelope address, it would not cause that much > problems.) > > Or in short: DMARC intentionally breaks every mailinglist and every > mail-forwarding. > So, if a mail-provider uses a strict DMARC-policy, it effectively > says: "Our mail-addresses may not be used for mailinglists." > > The cleanest solution for mailinglists would be to reject mails from > such adresses. (Spoofing the From-header by removing the authors address > and replacing it by the lists address, and so hiding the original author, > could of course also be done, but is not really a good solution.) > > Roland > >
