On Tue, 8 Jan 2002, Paul Sobey wrote:

>
> I recently asked this - you'd need to write a generic filter that trapped
> on a FROM domain, and acted accordingly, which I've now done. I'd really
> like a way of filtering based on from domain, since it would be much
> quicker for Xmail to check for a source.com.tab filter then kick off copies
> of perl for each message received just to test. I have a friend who routes
> mail for a large university, and when I discussed this with him he noted
> that at peak periods he's got close on 100 connections delivering smtp
> inbound into his relay. In such a circumstance the potential for many
> concurrent copies of perl executing might make even a beefy server have a
> hard time of it.... or am I just talking garbage here? I guess to large
> extent it depends on what you actually do with the filters, but I still
> think a source filter facility would be a nice idea.

Write a 10Kb binary C program that read the very first line of the message
and eventually invokes Perl.



- Davide


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