On Thu, 12 Jan 2012 20:05:14 +0100, Gregor Zattler <telegraph@gmx.net> wrote: > 2) encrypt if suitable public keys for all recipients are in > GnuPGs key ring. [...] > But I have no clue about how to do this with notmuch/Emacs. Isn't that what David provides an elisp-snippet for in id:"cunk4576ezs.fsf@hotblack-desiato.hh.sledj.net"? I've been using it myself since it was posted and it seems to work according to the behaviour you desire in point 2.