(PHP 4 >= 4.0.5, PECL vpopmail:0.2)
vpopmail_add_domain вЂ” Add a new 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.