[Mailman-Users] Self-Approval against From Forgeries
Adam McGreggor
adam-mailman at amyl.org.uk
Thu Mar 19 02:16:39 CET 2009
On Tue, Mar 17, 2009 at 07:15:58PM -0500, Grant Taylor wrote:
> Ephraim Silverberg wrote:
> > Certain lists of ours are sensitive and, hence, the members of the
> > list want to ensure that messages are not sent to the list by an
> > outsider that forges the From line of a valid list member.
>
> Ok...
>
> Question: Why not look in to implementing (and requesting that members
> do too or provide an alternate email for this purpose) something like
> SPF and / or Domain Keys. If you run either or both filters and your
> subscribers publish records, it will be very difficult for messages to
> be spoofed.
Or, perhaps, just use gpg/pgp.
(I'm not a fan of SPF)
--
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(seen on the Internet)
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