Mailers Mailer 1 View Mailer 1 here. Mailer 1 is deprecated. Mailer 2 View Mailer 2 here. Mailer 2 is deprecated. Mailer 3 View Mailer 3 here. Mailer 3 is deprecated. Mailer 4 View Mailer 4 here. Mailer 4 is current.