123 Bulk Email Sender | Mass Email Marketing System

Key Features

• 123 Bulk Email Sender is a professional high speed bulk email 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 Sender \'s normal sending speed can up to 50000 e-mails per hour.

Technical Specifications

• **Publisher:** 123hiddensender.com
• **License:** Shareware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Email / Clients