On Tue, 3 Apr 2001, Craig Coles wrote:
Or is there a better way? Does anyone know of a better MTA that will
I'm pretty sure you could configure exim to do this.
Also, if you either pay for Sendmail Pro from sendmail.com, or compile the
open-source sendmail with the filtering feature turned on (I forget the
constant you have to define ... look for "milter" in the sendmail sources)
you can hook filtering into almost every state of the SMTP state-machine.
The filter programs have to be compiled from C using the milter library
(which compiles from the sendmail source) and have to be reentrant because
they are run as threads under pthread.
Also, I haven't actually looked at milter in any detail since the 8.10
release, so there may be twists I don't know about.
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