Author: David Woodhouse Date: To: Ian Eiloart CC: exim users Subject: Re: [exim] Mailing list trouble
On Wed, 2011-04-13 at 10:28 +0000, Ian Eiloart wrote: > Well, except that the unauthenticated use of originator IDs is
> precisely what makes it so hard to deal with abuse. The practice needs
> to be discouraged at every turn. The OP should rewrite the return-path
> into a domain that he controls. Perhaps using SRS.
Or the *messages* should be signed with a scheme like DKIM, so that they
*are* authenticated.