Am Donnerstag, dem 30.12.2021 um 10:32 -0500 schrieb dovecot at ptld.com:> > On 12-30-2021 10:11 am, Benny Pedersen wrote: > > On 2021-12-30 12:58, Aki Tuomi wrote: > > > > On 30/12/2021 06:38 Benny Pedersen <me at junc.eu> wrote: > > > > would be nice to see added :=) > > > > talvi.dovecot.org txt "spfv1 a -all" > > > Why? > > > > dkim fails here > > spf is more stable > > results from current msg > > > DMARC breaks on dovecot mailing list. > DMARC does not break on postfix mailing list. > Having a mailing list that doesn't break DMARC is possible. > > Maybe ask Wietse how he does it :)But dovecot mailing list uses ARC Headers. And they seem to verify for me (using rspamd)
On 2021-12-30 16:35, Felix Zielcke wrote:> But dovecot mailing list uses ARC Headers. > And they seem to verify for me (using rspamd)arc does not need spf or dkim on the forwarding host problem i report is that spf helo pass is missing, and this is not an issue for arc at all
> On 12-30-2021 10:35 am, Felix Zielcke wrote: > > But dovecot mailing list uses ARC Headers. > And they seem to verify for me (using rspamd)I have not fully studied ARC, but from briefly looking isn't ARC just a way for the sending server to attest to the email it is relaying as being legit? So if the sending server is a spam server couldn't it lie and claim the mail is legit? If that is the case I'm not sure what the point of ARC is, how does it prevent fraud? Its like asking a liar if they are lying and taking their word for it. And i assumed this is why ARC never really took off.