+* <span id="sync_maildir_flags">**how to sync notmuch tags and maildir
+ flags**</span>
+
+ There is no built-in support for sunchronizing your notmuch tags
+ with your imap maildir flags (seen, replied, trashed, etc). However
+ there are currently 2 ways in which you can achieve
+ synchronization. In order to sync new notmuch tags to maildir flags,
+ there is a python tool called
+ [notmuchsync](http://spaetz.github.com/notmuchsync/) that allows
+ synchronization in either direction or pruning of deleted files.
+
+ The second solution allows for fast maildir flag to notmuch tag
+ synchronization (and only in that direction) requires patching the
+ notmuch source code. The patch has been posted in this mail
+ *id:1267450136-31749-1-git-send-email-Sebastian@SSpaeth.de* and can
+ be viewed as a [source diff in this git
+ repository](http://github.com/spaetz/notmuch-all-feature/commit/df3b087cefb85e9d16fd17540e348bcb854dd7ee).
+
+* <span id="address_completion">**how to get email address completion**</span>
+ There are 2 solutions. Use "bbdb" which allows you to maintain a mail database and gives you mail address completion with the tab key.
+
+ Alternatively, you use the notmuch database as a mail address book
+ itself. You need a command line tool that outputs likely address
+ candidates based on a search string. There is a python tool
+ notmuch_address.py (which can be fetched with `git clone
+ http://jkr.acm.jhu.edu/git/notmuch_addresses.git`) (slower, but no
+ compilation required so good for testing the setup) or the
+ vala-based addrlookup (faster, but needs compiling). This is how
+ you compile the (3rd party) tool "addrlookup" to give you address
+ completion:
+
+ - you need the addrlookup binary, first of all. Grab http://github.com/spaetz/vala-notmuch/raw/static-sources/src/addrlookup.c and build it with `cc -o addrlookup addrlookup.c ``pkg-config --cflags --libs gobject-2.0`` -lnotmuch`. That should give you the binary that you can test already.
+
+ - EUDC is integrated into emacs and can be used for tab completion
+ of email addresses. The code I use is here
+ http://gist.github.com/359425. It was announce in [this
+ mail](http://mid.gmane.org/87fx3uflkx.fsf@jhu.edu)
+ (id:87fx3uflkx.fsf@jhu.edu) which contains links to the git
+ repositories which contain the files.
+
+* <span id="sign_messages_gpg">**how to sign/encrypt my messages with
+ gpg**</span>
+
+ You can manually sign your messages with gpg by invoking `M-x
+ mml-secure-sign-pgpmime` (or `M-x
+ mml-secure-encrypt-pgpmime`). These functions are available via the
+ convenient (*cough cough*) keybindings `C-c C-m s p` and `C-c C-m c
+ p` by default. To sign my outgoing mail by default, I use this hook
+ in my .emacs file:
+
+ ;;sign messages by default
+ (add-hook 'message-setup-hook 'mml-secure-sign-pgpmime)
+
+ This inserts the blurb `<#part sign=pgpmime>` into the beginning of
+ my mail text body and will be converted into a pgp signature when
+ sending (so I can just manually delete that line if I do not want a
+ mail to be signed).
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