multilogin is a squirrelmail plugin designed to add a server selection in the login page. You just need to put your IMAP servers/domains/names in the config.php file.
In order to install it, you must patch your squirrelmail distribution, as written in INSTALL file.
Licence: GPL
Homepage: http://www.squirrelmail.org/plugin_view.php?id=148

Old Versions: