(PHP 4 >= 4.3.3, PHP 5, PHP 7) Set or fetch imap timeout

(PHP 4, PHP 5, PHP 7) Fetch a particular section of the body of the message

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

(PHP 4, PHP 5, PHP 7) Delete a mailbox bool imap_deletemailbox

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

(PHP 4, PHP 5, PHP 7) Parse mail headers from a string

(PHP 4, PHP 5, PHP 7) List all the subscribed mailboxes

(PHP 4, PHP 5, PHP 7) Send an email message bool

(PECL mailparse >= 0.9.0) Returns an array of mime section names in the supplied message

(PHP 4, PHP 5, PHP 7) Read the header of the message