Re: [Exim] Exim 4 ideas.

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Author: Philip Hazel
Date:  
To: Theo E. Schlossnagle
CC: exim-users
Subject: Re: [Exim] Exim 4 ideas.
On Wed, 3 Jan 2001, Theo E. Schlossnagle wrote:

> I would really like to see a module interface so that I could write my own
> modules into exim that could "interfere" or "observe" the transactions as they
> happen. Think ala Apache (2.0).


Thank you for those idea, which are interesting. It seems to me that my
best approach at present it to bear them in mind when making the changes
necessary for Exim 4, so that once the basic structure has settled down,
this kind of addition can be made.

The only disadvantage I see to this is one of performance. Exim starts
up new processes and re-initializes itself frequently. Thus, it would be
loading the modules and running their initializations very often. Maybe
this wouldn't matter much. (The modules would remain in a cache, and
their initialization could be made fast.)

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.