Re: [Asrg] 6. Proposals: MTA MARK vs port 25 filtering?

[David Maxwell <david@crlf.net>]

On Wed, Dec 10, 2003 at 05:38:50PM -0500, Yakov Shafranovich wrote:
> David Maxwell wrote:
> >Of course, both problems suffer from the issue that they are on the
> >sender side - most people are more concerned about the spam their
> >network recieves than the spam their network sends, and they fail to
> >perceive the relationship between the two.
> >
> 
> Giving tools to both the sender and the receiver will help more than 
> just one side having them. That's why it looks like to me that both 
> strategies are helpful, and let both sides of the network do something 
> about the abuse.

One of the main reasons I asked the question was to draw the line
between functions and implementations.

In this case, we have a functional change to email infrastructure - from
'any to any' -> 'approved MTA to any'.

There are at least two implementations of that functional change -
MTAMark, and outbound port 25 blocking.

These two implementations have a few differences in deployment,
maintainence, and effect on network traffic. Simply put though, they
solve the same problem, so they can be evaluated head-to-head when it
comes time to making recommendations.

-- 
David Maxwell, david@vex.net|david@maxwell.net -->
(About an Amiga rendering landscapes) It's not thinking, it's being artistic!
					      - Jamie Woods


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