123 Bulk Email Direct Sender is a professional high speed bulk email direct sender program. It is an ideal for newsletters, targeted marketing, and keeping in touch with clients. Because this mailer sends out mails in MX mode and works like a mail server, you don't need unreliable blind relays anymore. As a multi-threaded application, 123 Bulk Email Direct Sender's normal sending speed can up to 50,000 e-mails per hour.