Hi Matthias, in most cases, the DKIM signature is applied by the mailserver, so mutt is not involved. The relationship between DKIM signatures and mailing lists is specified in RFC 6377[1], and it has always been rocky.
That said, I was not aware that a signature could forbid an email being resent through a mailing list, but this is what the rejection message says. - Jan [1] https://datatracker.ietf.org/doc/html/rfc6377 On 2025-02-20 10:50, Matthias Apitz wrote: > Hello mutt-experts, > > I've got a reject of an email to a public PostgreSQL mailing list due to > an issue with my DKIM signature. Attached below. I've sent a test email > to my company mailbox to see my resulting DKIM signature. It's: > > DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=unixarea.de > ; s=blu3434000; h=Content-Transfer-Encoding:Content-Type:MIME-Version: > Reply-To:Message-ID:Subject:To:From:Date:Sender:Cc:Content-ID: > > Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc > > :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: > List-Subscribe:List-Post:List-Owner:List-Archive; > bh=mUXCo4CB5VS0jsNsC2LeR8NOxLomD73G556GgsVmluA=; > b=nlMvRnatrYiMjStI6F/rnF2zbZ > > DqqjgqpA4fezouBgwHPPz+VAN+msCPqY+I6oQa1B6eP5bNZhr9bi8UCvVvRmTWX+LC74GdzsYsfR9 > > 5zDhdwYSgxaU6fW4CbtGfhZT+v/lH+x2sPi3OEdBPIEdeuHstof32yzBm00xnRX0MttjZx8E9ReyG > > GHBKSuWo9f80m9Y4VamhplV99V5aMxJZOU+MNVU/Jfdj9h4Q5aMfEtwT+SOCPBBoze7wFOpXRvQOd > > MdYA7FtH3uUlpMn0FwqpopXHqTl7Xs+cKxT/AZwRnogqdwsFmQg3fMf0/Tr8gMAPGluXkdpC8kKog > qw+9X8Sg==; > > What could be wrong with this and how do I fix this. mutt is sending the > mail to the SMTP server of my provider 1blu, i.e. I have in ~/.muttrc: > > set smtp_url="smtps://[email protected]:465" > > Any ideas? > > matthias > > ----- Forwarded message from pgsql-bugs Owner > <[email protected]> ----- > > Date: Wed, 19 Feb 2025 09:11:16 +0000 > From: pgsql-bugs Owner <[email protected]> > To: [email protected] > Subject: Your message to pgsql-bugs > > Your message to pgsql-bugs with subject > > Re: BUG #18817: Security Bug Report: Plaintext Password Exposure in > Logs > > has been rejected by a moderator and will not be posted. > The reason given for rejection was: > > This email has a DKIM signature on the List- headers of > the email, indicating that it is not allowed to pass this > email on through a mailinglist. > > Please ensure that emails you send to the list, and others > hosted on the same server, allow re-sending on a mailinglist. > > Fixing this is normally a configuration setting in either your > own mail server, or that of your provider. Exactly how it is done > depends on which software is being used. > > ----- End forwarded message ----- > > -- > Matthias Apitz, ✉ [email protected], http://www.unixarea.de/ +49-176-38902045 > Public GnuPG key: http://www.unixarea.de/key.pub > > Annalena Baerbock: "We are fighting a war against Russia ..." (25.1.2023) > > I, Matthias, I am not at war with Russia. > Я не воюю с Россией. > Ich bin nicht im Krieg mit Russland.
