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Description

Checks an email address against a list of banned domains.

This function checks against the Banned Email Domains list at wp-admin/network/settings.php. The check is only run on self-registrations; user creation at wp-admin/network/users.php bypasses this check.

As of 3.5, this function was made marginally less aggressive due to legitimate domains matching as partials of banned domains or sub-domains of banned domains.

Usage

<?php is_email_address_unsafe( $user_email ); ?>

Parameters

$user_email

(string) (required) The email provided by the user at registration.

Default: None

Return Values

(bool) 

Returns true when the email address is banned.

Source File

is_email_address_unsafe() is located in wp-includes/ms-functions.php

Changelog

• 3.5.0: Made less aggressive toward legitimate domains partially matching against banned ones.
• Since: WPMU