do_action( 'wp_mail_succeeded', array $mail_data )  Fires after PHPMailer has successfully sent an email.   Description The firing of this action does not necessarily mean that the recipient(s) received the email successfully. It only means that the send method above was able to process the request without any errors.   Parameters   $mail_data array    An array containing the email recipient(s), subject, message, headers, and attachments. 

tostring[]Email addresses to send message.
 
subjectstringEmail subject.
 
messagestringMessage contents.
 
headersstring[]Additional headers.
 
attachmentsstring[]Paths to files to attach.
        Source  File: wp-includes/pluggable.php. View all references  do_action( 'wp_mail_succeeded', $mail_data );
   Related  Used By    Used By Description      wp_mail() wp-includes/pluggable.php   Sends an email, similar to PHP’s mail function.   
    Changelog    Version Description     5.9.0 Introduced.    

    
{'path': 'public/docs/wordpress/hooks/wp_mail_succeeded.html', 'source': 'DevDocs.IO'}