User:Int 80h/files/Irssi startup

Irssi startup

LOAD proxy

WINDOW NEW HIDE
WINDOW NAME (msgs)
WINDOW LEVEL MSGS ACTIONS DCCMSGS NOTICES
WINDOW MOVE 2

WINDOW 1
WINDOW LEVEL ALL -MSGS -ACTIONS -DCCMSGS -NOTICES
CLEAR

Prerequisites

The startup assumes you have the proxy module compiled in Irssi.
The WINDOW ... lines create a messages window, much like /set use_msgs_window ON only this works better, and even catches notices.