(PHP 4 >= 4.0.5, PECL vpopmail:0.2)
vpopmail_add_alias_domain_ex — Add alias to an existing virtual domain
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
This function is currently not documented; only the argument list is available.