+If -channel option is provided then this command actually
+send channel message to the specified channel. The message
+IS NOT private message, it is normal channel message. It is
+also possible to digitally sign channel messages by using
+SMSG command or by doing /set sign_channel_messages on, in
+which case _all_ channel messages will be signed.
+
+Example:
+
+/MSG Toni Hi, what's up?
+
+See also: QUERY SMSG