> On Dec 13, 2021, at 9:44 AM, Slavko via mailop <mailop@mailop.org> wrote: > > Signed PGP part > Hi, > > Dňa Mon, 13 Dec 2021 18:19:07 +0100 Alessandro Vesely via mailop > <mailop@mailop.org> napísal: > >> Is it customary to reject messages with multiple addresses in From:? >> Why? > > AFAIK, DMARC works with only one From: address, thus sites which > are verifying DMARC tends to reject multiple addresses in it.
Dmarc works with multiple froms only in the case where the froms are in the same sending domain. https://github.com/trusteddomainproject/OpenDMARC/blob/master/SECURITY/CVE-2019-16378 -Dan > > regards > > -- > Slavko > https://www.slavino.sk > > _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
