[Mimedefang] Re: On pinheaded ISP's (sort of OT)

Jan-Pieter Cornet johnpc at xs4all.nl
Wed Jan 31 15:30:57 EST 2007


On Wed, Jan 31, 2007 at 10:58:44AM -0800, Scott Silva wrote:
> If you can't reject during the initial SMTP phase, then your NDR's of spam,
> with their possible forged envelope addresses, will also be spam. So, if you
> can't drop at the initial conversation, or it is relayed from a backup MX, it
> is your message, and your problem. Just don't generate NDR's. If you can't
> return at SMTP, you will need to drop it.

Who are you to dictate that everyone should make email less reliable?

I believe making email disappear is _bad_, and there are many other who
believe the same. I'm not saying backscatter is good, because it isn't,
but there are circumstances where backscatter is unavoidable,
unfortunately.

We try to reduce the amount of backscatter as good as we can... I've
written filtering modules for mimedefang just for the purpose of
backscatter prevention, but we cannot reduce it to zero without
causing a lot of grief in lost emails.

-- 
Jan-Pieter Cornet <johnpc at xs4all.nl>
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