Fires after a PHPMailer\PHPMailer\Exception is caught.

$error WP_Error

A WP_Error object with the PHPMailerPHPMailerException message, and an array containing the mail recipient, subject, message, headers, and attachments.

File: wp-includes/pluggable.php. View all references

do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_data ) );