Take a look at http://www.postfix.org/header_checks.5.html
and in particualar, the "action" associated with the FILTER option.
You could check the header for a set of recipients and if found,
only then call policyd. I've not tried this myself, but it certainly
seems possible to do it this way. More on content filters is at
http://www.postfix.org/FILTER_README.html and its internal Web links.
See also http://www.postfix.org/SMTPD_POLICY_README.html for examples of
how to specify when a policy service is called. That may be another
possibility.
A content filter may be another option, but it's not very efficient for
high-traffic sites, supposedly.
"The Postfix Book" is almost a must-have to be able to use some of themore
advanced postfix options -- if you don't have it, I strongly advise
you get a copy!
--Tobias
On Thu, 22 Nov 2007, Jordi Espasa Clofent wrote:
The only way I could see to make this work is to either have postfix
skip policyd altogether with a filter on the unaffected user accounts
ahead of time, or if users have fixed IP addresses, to do it by those
addresses. That, of course, is useless if the user use DHCP, travel,
etc. Postfix should allow you to filter on a list of accounts.
It's got a very flexible way to process various steps according to
various rule sets.
OK Tobias, but I don't know howto make "a filter on the unaffected user
accounts ahead of time".
¿?
Maybe the fact that I'm using a virtual users (in MySQL dddbb back-end)
means a facility.
--
Thanks
Jordi Espasa Clofent
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