+subscribe -group chakra      ^chakra-.*@googlegroups.com
+subscribe -group clementine  clementine-player@googlegroups.com
+subscribe -group ros         @lists.ros.org$
+subscribe -group sailfish    @lists.sailfishos.org
+subscribe -group neovim      ^neovim.*github.com
+subscribe -group mutt        mutt-users@mutt.org
+subscribe -group qutebrowser ^qutebrowser.*
+
+# performance tuning
+set read_inc  = 1000   # nb of messages read before printing status
+set write_inc = 1000   # nb of messages written before printing status
+set time_inc  = 100    # time interval (ms) between status print