(PHP 4 >= 4.0.5, PECL vpopmail >= 0.2) Add a new virtual domain

(PHP 4 >= 4.0.5, PECL vpopmail >= 0.2) Delete a user from a virtual domain

(PHP 4 >= 4.0.7, PECL vpopmail >= 0.2) Insert a virtual alias

(PHP 4 >= 4.0.7, PECL vpopmail >= 0.2) Deletes all virtual aliases of a user

(PHP 4 >= 4.0.5, PECL vpopmail >= 0.2) Sets a virtual user's quota

(PHP 4 >= 4.0.5, PECL vpopmail >= 0.2) Delete a virtual domain

(PHP 4 >= 4.0.7, PECL vpopmail >= 0.2) Deletes all virtual aliases of a domain

(PHP 4 >= 4.0.7, PECL vpopmail >= 0.2) Get all lines of an alias for a domain

(PHP 4 >= 4.0.7, PECL vpopmail >= 0.2) Get all lines of an alias for a domain

(PHP 4 >= 4.0.5, PECL vpopmail >= 0.2) Add alias to an existing virtual domain