James H. H. Lampert wrote: > Please excuse the off-topic post, but I'm hoping this has come up with > others here: > > I've been tasked with implementing DMARC on our domain. And I'm told > that the Debian List Server doesn't rewrite "From" headers for > DMARC-enabled senders, and neither does it do anything else to handle > DMARC-enabled senders.
Couple of years ago, when I was working with a Telco they implemented DMARC and were thinking it will be soon very strict, but it turned out many implemented different policies and as Dan Ritter said, it is one important factor. Back then (2016) I asked the Telco people (as part of the BA) how many responses (mails with statistics) they would expect from the peers - they said they would expect that the major players would do DMARC - respectively we setup a DB based on this assumption ... well the moment we turned the collection on - the DB exploded because it was tausends of domains already implementing DMARK with SPF and sending back the statistics.
