[Mimedefang] Re: Great open letter about anti-virus, emails, bounces, etc.

[Steffen Kaiser]

On Mon, 15 Sep 2003, David F. Skoll wrote:

> On Mon, 15 Sep 2003, Matt Cramer wrote:
>
> > It is amazing how much spam stops once you only accept aol.com, yahoo.com,
> > etc. mail from hosts which reverse resolve to something in those domains.
>
> Our CanIt marketing literature calls these rules "Mismatch Rules" and
> they are very effective for selected domains.  I suggest allowing
> a set of matches -- for example, it's legitimate for mail from
> "foo at aol.com" to come via a paypal.com server.
>
> For example:
>
> From aol.com		OK-Relays = aol.com, paypal.com
> From msn.com		OK-Relays = msn.com, hotmail.com, paypal.com

Personally, I don't like these RMXs at all, they make it hard to use
roles, e.g. playing support for various firms etc.pp. or world-wide (e.g.
OpenSource) projects. I consider the concept of RMX and to block DULs
euqally bad. But that has been discussed on the list before.

Bye,

-- 
Steffen Kaiser