WordPress at a glance
action is not described

wp-mail.php action-hook . WP 2.9.0

Fires to allow a plugin to do a complete takeover of Post by Email.


add_action( 'wp-mail.php', 'action_function_name_645' );
function action_function_name_645(){
	// action...


Since 2.9.0 Introduced.

Where the hook is called

In file: /wp-mail.php
wp-mail.php 29
do_action( 'wp-mail.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

Where in WP core the hook is used WordPress

Usage not found.