Internet marketing relies heavily on fast delivery of large numbers of messages to customers. Times when we were sending out several e-mails using our traditional e-mail client software are left well behind. Today modern businesses require immediate delivery of messages to hundreds of thousands and even millions of recipients. Whether it is a corporate broadcasting service or a business-to-customer communication we constantly search for appropriate solution. Search no more! Presenting Atomic Mail Sender by AtomPark Software a feature-rich mass mailing and corporate broadcast software! Atomic Mail Sender is capable of sending of unlimited number of e-mail messages to unlimited number of recipients within very short period of time. The amazing speed is achieved by utilizing every existing bit of your Internet connection via multiple threads delivery technology. Messages are delivered using the built-in SMTP server that connects directly to recipients’ mail service providing the shortest possible way for sending your message! The application allows plain-text and HTML messages editing and sending. Messages can be imported from and exported to text or HTML files. The built-in message editor provides one of the most convenient interfaces in the programs of this type. Atomic Mail Sender is highly configurable allowing you to specify DNS settings custom HELOs and even the mailer signature (a list of predefined mailer signatures is available). Besides that custom message headers can be specified! Another great feature of Atomic Mail Sender is its ability to read recipients e-mail addresses from various file formats and specifications. There hardly ever an e-mail addresses list that cannot be imported to Atomic Mail Sender. Taking into account the incredible value of this software and amazing return rate on investment Atomic Mail Sender is a must have for everyone who is serious about multiple messages to multiple recipients broadcasting!