Sv: dovecot mailing list (this mailing list), DKIM, SPF and DMARC

[Aki Tuomi]

We did that replacement for a while, but people complained. We have ARC signing there, unfortunately it only works if you trust it.

Aki

> On 04/02/2022 23:10 Sebastian Nielsen <sebastian at sebbe.eu> wrote:
> 
>  
> I get it too. These appear because they don't replace either MAIL FROM: or Mime From: with the list address. This causes validations to fail since the mailing list is trying to spoof mail in your name, and of course, anti-spoofing security is going to react. DKIM can be troublesome since mailing lists sometimes change or reencode content so DKIM signature fails.
> 
> -----Ursprungligt meddelande-----
> Från: dovecot-bounces at dovecot.org <dovecot-bounces at dovecot.org> För Lev Serebryakov
> Skickat: den 4 februari 2022 21:58
> Till: dovecot at dovecot.org
> Ämne: dovecot mailing list (this mailing list), DKIM, SPF and DMARC
> 
> 
>   My domain (serebrtyajov.spb.ru) has all these "new" e-mail technologies configured. It works fine till I write to this mailing list.
> 
>   After that I've got several DMARC reports about "spam" from my domain. All these reports are about my mailing list post.
> 
>   I don't have such problems with other mailing lists (FreeBSD ones, OpenJDK ones, and others).
> 
>   Looks like mailing list software for this mailing list is misconfigured.
> 
>   I'm sure, I'll get new after this message.
> 
> -- 
> // Black Lion AKA Lev Serebryakov