Kmail filters and header modification
I've experimented a bit with setting up a filter in Kmail that executes a
script which calls the f-prot virus scanner. The script launches
the xmessage program and pops up a window with sender and subject info
displayed as well as the virus information, if f-prot returns an exit code
indicating a virus was found attached to a message. While this seems to work
well I'm wanting to take it a step further and ideally have a message
containing a virus be moved to a different folder. What I'm trying to find is
a way to modify the header data of a message to add a 'virus found' field or
the like, similar to the X-Spam field that spamassassin adds to a spam laden
message. Is there a recommended way to have an external program modify the
message header so that the modification is included in the message when
control returns to Kmail? With a 'virus' field set upon return a second
filter could then move the message to another folder, again similar to the
spamassassin scheme.
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