You can add the sender of a message to Google Contacts by piping the message
(`notmuch-show-pipe-message`) to `goobook add`.
+### Akonadi
+
+ git clone https://github.com/mmehnert/akonadimailsearch
+
+Install the development packages for kdepim on your system.
+Enter the cloned repository and create a build directory:
+
+ mkdir build
+ cd build
+ cmake ..; make;
+
+You will find the akonadimailsearch binary in the build/src directory.
+Create a ~/bin/akonadimailsearch.sh file with the following content and make it executable:
+(Adjust the path for the akonadimailsearch binary.)
+
+ #!/bin/sh
+ akonadimailsearch $@ 2>/dev/null
+
+As described above, you can now add the following settings to your ~/.emacs file:
+
+ (require 'notmuch-address)
+ (setq notmuch-address-command "~/bin/akonadimailsearch.sh")
+ (notmuch-address-message-insinuate)
+
+
+
## How to sign/encrypt messages with gpg
Messages can by signed using gpg by invoking