Hi,
Searching this list I found a few messages related to outbound mail filtering but didn't seem to find any straight answers...
Is there a simple way to identify a filter which is run only on outbound mail? I want to check some header information on all outbound mail, but not on inbound mail.
Can this only be achieved via global filters, or is there another potential way of doing it?
There is no convenient way to do that right now. The only thing you can do is install a filter on the inbound side. Messages don't appear out of thin air. For every message that comes out, it has to come in at some point in time before that. So install a filter on the inbound side, using either the perlfilter or the courierfilter global filter interface, and have fun.
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