How do you do this with jitsi?
Does jitsi support kind of per-recipient send and receive IM-message
filtering by piping into external programs, or something?
Or have you implemented kind of 'enigmail for jitsi', ... would you
mind to share this? 
聽聽聽聽Eeri Kask
路路路
On Fri, 10 Jan 2014 16:35:48 +0000, Don Alexander wrote:
[...] What I have done in the past though (though your friends
need to be competent to be able to arrange this) is sending a
normal offline with an encrypted message with GPG. [...]