The wp_mail_from filter modifies the “from email address” used in an email sent using the wp_mail() function. When used together with the ‘wp_mail_from_name‘ filter, it creates a from address like “Name”. The filter should return an email address.
To avoid your email being marked as spam, it is highly recommended that your “from” domain match your website.
Some hosts may require that your “from” address be a legitimate address.
If you apply your filter using an anonymous function, you cannot remove it using remove_filter() .
add_filter( 'wp_mail_from', 'custom_wp_mail_from' );
function custom_wp_mail_from( $original_email_address ) {
//Make sure the email is from the same domain
//as your website to avoid being marked as spam.
return 'webmaster@mydomainname.com';
}
Using anonymous functions (PHP 5.3.0+) for callback:
Example of how to use this filter to update the user portion of the email address to send from.
<?php
/**
* Filter the email address to send from and replace the user.
*
* @param string $from_email Email address to send from.
*
* @return string The new email address.
*/
function wporg_replace_user_mail_from( $from_email ) {
// This will give us and array with the email user and the domain
// like this [ 'wordpress', 'example.tld' ]
$parts = explode( '@', $from_email );
// Add our new email user, add @ again, and append the domain
// This will be hello@example.tld
return 'hello@' . $parts[1];
}
add_filter( 'wp_mail_from', 'wporg_replace_user_mail_from' );
Simple way to filter the email address using str_replace() function.
<?php
/**
* Filter the email address using str_replace() function.
*/
function wpdocs_custom_wp_mail_from( $original_email_address ) {
// The $original_email_address value is wordpress@yourdomain.tld
// So we just change 'wordpress@' to something else like 'noreply@' or etc
return str_replace( 'wordpress@', 'noreply@', $original_email_address );
}
add_filter( 'wp_mail_from', 'wpdocs_custom_wp_mail_from' );
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The default “from” value is wordpress@thesitedomainname. Where thesitedomainname is the domain name of your web site (e.g. xxxyyyzz.com).
Examples migrated from Codex:
Using anonymous functions (PHP 5.3.0+) for callback:
Example of how to use this filter to update the user portion of the email address to send from.
Simple way to filter the email address using str_replace() function.