On Sat, Jul 10, 2021 at 05:45:08AM -0400, Polyna-Maude Racicot-Summerside wrote: > > On Sat, Jul 10, 2021 at 12:20:24AM -0400, Polyna-Maude Racicot-Summerside > > wrote: > >> I receive the following regarding messages sent on the mailing list... > > > > A usual dmarc report, and you receive that because your domain has DMARC > > policy set that way - it's a TXT record _dmarc.polynamaude.com. > > > > BTW - why have you set "p=none" there? > > > I'll go read in my note but from memory I don't remember what does > p=none do.
Basically you agree that each and every MTA on the Internet can send an e-mail from @polynamaude.com, and it does not have to be *your* e-mail. With p=none you might as well remove your SPF. p=quarantine, on the other hand, at least does something positive. > > 2) The fact that your DKIM policy is unnecessary strict, because your > > mails to this list routinely fail to verify DKIM. > > > What you mean unnecessary strict ? MTA that you're using signs these headers: > Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:Cc:References:To:From:Subject:Sender:Reply-To: > Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: > > Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: > > List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; Of those at least these headers are modified by the list software: > > Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: > > List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; Thus each and every e-mail you'll send to this list will fail DKIM check. Also see my reply in your other thread. > > 3) The fact that your SPF policy is failing, probably because your SPF > > does not designate bendel.d.o as a permitted sender on your behalf. > > > Oh, I could simply add bendel.d.o and it would work ? Not immediately. Your SOA record has TTL of 1 hour, so changing your DNS records (second-level domain, misconfigured DNS taken into the account) can take 2 hours at worst to be reflected for everyone. Reco
