maybe you will find it useful.
plugin was sanitized for use with Squirrelmail 1.2.
changed squirrelmail hook from change_pass_opt to
change_pass_optpage_register_block. It looks nicer when it is not in
added i18n support. debug messages are not translated. It is also possible
that I missed some strings.
If I've send it to the wrong address, please inform me.