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Date: Wed, 15 Nov 2017 19:19:05 +0100
From: Matus UHLAR - fantomas <uhlar@...tomas.sk>
To: john-users@...ts.openwall.com
Subject: Re: Envelope sender mailinglist: DMARC errors

On 14.11.17 11:51, Jeroen wrote:
>The mailing list sends messages to list members like if they were send by
>the original sender. In fact it's spoofing emails.

no. It's resending mails from users to members. That's not spoofing.

> If the sender domain uses
>anti-SPAM mechanisms like DMARC, the messages are dropped by properly
>configures email servers, or best case flagged as spam or quarantined. Can
>this be fixed? Suggestions
>@.https://dmarc.org/wiki/FAQ#I_operate_a_mailing_list_and_I_want_to_interoperate_with_DMARC.2C_what_should_I_do.3F>.

what exactly is your problem?

Maybe the only problem is that this list should not add [john-users] to
subject of DKIM-signed mail
modifying subject sucks anyway, filtering should be done on List-ID: header


-- 
Matus UHLAR - fantomas, uhlar@...tomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. -- Benjamin Franklin, 1759

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