Email Hooks
Actions and filters for customizing WordPress email functionality. Source: wp-includes/pluggable.php, wp-includes/ms-functions.php Filters wp_mail Filter all wp_mail() arguments before processing. apply_filters(...
Updated March 4, 2026
WP_PHPMailer
WordPress extension of PHPMailer providing internationalized error messages. Since: 6.8.0 Source: wp-includes/class-wp-phpmailer.php Extends: PHPMailerPHPMailerPHPMailer Purpose WP_PHPMailer overrides PHPMailer's language handling...
Updated March 4, 2026
Email System
WordPress email architecture built on PHPMailer with extensive hook-based customization. Source: wp-includes/pluggable.php, wp-includes/PHPMailer/, wp-includes/class-wp-phpmailer.php Components Component Description class-wp-phpmailer.md WordPress PHPMailer...
Updated March 4, 2026