Date: Mon, 26 Nov 2018 16:59:16 +0000 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: Invalid DKIM signatures in this list Message-ID: <20181126165916.6c6bf874@gumby.homeunix.com> In-Reply-To: <alpine.BSF.2.21.9999.1811261704230.90197@mail.fig.ol.no> References: <20181126125259.GB86999@admin.sibptus.ru> <alpine.BSF.2.21.9999.1811261704230.90197@mail.fig.ol.no>
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On Mon, 26 Nov 2018 17:10:27 +0100 (CET) Trond Endrest=C3=B8l wrote: > On Mon, 26 Nov 2018 19:52+0700, Victor Sudakov wrote: >=20 > > Dear Colleagues, > >=20 > > I have noticed that the Mailman which manages this list keeps the > > sender's "DKIM-Signature:" header intact but modifies the body of > > the message by adding a footer. =20 >=20 > Are you sure? >=20 > When I received your message, the hash was made up using Message-ID,=20 > Subject, To, From, Date, and In-Reply-To. I failed to find the latter=20 > field. That's legitimate, it signs the absence of that header if it's not present at the time of signing.=20
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