README: mention mailinglist

README.md

@@ -6,3 +6,35 @@ If you're new to Gluon and ready to get your feet wet, have a look at the
 
 **Gluon IRC channel: `#gluon` in hackint**
 
+## Mailinglist (mostly for announcements)
+
+I can handle administrative requests automatically. Please
+do not send them to the list address! Instead, send
+your message to the correct command address:
+
+For help and a description of available commands, send a message to:
+
+    gluon-help@luebeck.freifunk.net
+
+To subscribe to the list, send a message to:
+
+    gluon-subscribe@luebeck.freifunk.net
+
+To remove your address from the list, just send a message to
+the address in the `List-Unsubscribe` header of any list
+message. If you haven't changed addresses since subscribing,
+you can also send a message to:
+
+    gluon-unsubscribe@luebeck.freifunk.net
+
+or for the digest to:
+
+    gluon-digest-unsubscribe@luebeck.freifunk.net
+
+If you need to get in touch with the human owner of this list,
+please send a message to:
+
+     gluon-owner@luebeck.freifunk.net
+
+Please include a FORWARDED list message with ALL HEADERS intact
+to make it easier to help you.