[PLUG] please stop modifying the message body

Jason Barbier jason at corrupted.io
Mon May 24 22:45:06 UTC 2021


you are part right, the modification of the message body would cause DKIM failures if you authorized the plug mail servers to send as your domain.
Due to the way most mail list software works DKIM will never pass. for list messages

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GPG: https://corrupted.io/kusuriya.pub

On Mon, May 24, 2021, at 3:36 PM, Tom wrote:
> Hello,
> 
> I'm having DKIM authentication failures when using this mailing list:
> 
> Received-SPF: pass (mx220.antispamcloud.com: domain of pdxlinux.org 
> designates 69.168.62.104 as permitted sender) client-ip=69.168.62.104; 
> envelope-from=plug-bounces at pdxlinux.org; helo=plv1.spiretech.com;
> X-SPF-Result: mx220.antispamcloud.com: domain of pdxlinux.org 
> designates 69.168.62.104 as permitted sender
> Authentication-Results: mx220.antispamcloud.com;
> 	iprev=pass (mail-hosting-3e68.spiretech.net) 
> smtp.remote-ip=69.168.62.104;
> 	spf=pass smtp.mailfrom=pdxlinux.org;
> 	dkim=fail (body hash mismatch; body probably modified in transit)
> 		 header.d=nuegia.net header.s=mail header.a=rsa-sha1;
> 	dmarc=fail header.from=nuegia.net
> Authentication-Results:  antispamcloud.com; spf=pass 
> smtp.mailfrom=plug-bounces at pdxlinux.org; dkim=fail (bodyhash_mismatch) 
> header.i=nuegia.net
> 
> I believe this to be caused by the 
> _______________________________________________
> PLUG: https://pdxlinux.org
> PLUG mailing list
> PLUG at pdxlinux.org
> http://lists.pdxlinux.org/mailman/listinfo/plug
> 
> being appended to the end of the body in all my relayed mail. Could you
> please not append this to my messages so that the DKIM and DMARC can
> operate properly not marking my messages as spam and my domain's
> postmaster mailbox with failure alarms. This seems like something that
> belongs in the presentation layer anyways not in the message body
> itself.
> 
> I believe some people are not seeing my emails because of this.
> _______________________________________________
> PLUG: https://pdxlinux.org
> PLUG mailing list
> PLUG at pdxlinux.org
> http://lists.pdxlinux.org/mailman/listinfo/plug
> 



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