Fires after PHPMailer has successfully sent an email.

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.

$mail_data array

An array containing the email recipient(s), subject, message, headers, and attachments.

• tostring[]
  Email addresses to send message.
• subjectstring
  Email subject.
• messagestring
  Message contents.
• headersstring[]
  Additional headers.
• attachmentsstring[]
  Paths to files to attach.

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

do_action( 'wp_mail_succeeded', $mail_data );