Flash Mailer Pro is professional software for fast mass dispatch of e-mails. The program sends e-mails both through external SMTP server(s), and through built - in SMTP relay. Using built - in SMTP server Flash Mailer Pro connecting directly to each addressee that enables to determine instantly, whether the letter has arrived to him. For increase of dispatch speed, Flash Mailer Pro can send simultaneously any quantity of e-mails since has 100 % multi-threaded architecture not causing outflow of memory. DNS smart cache technology increasing of dispatch speed through built - in SMTP the server and batch mode for acceleration of dispatch through external relay is realized. It allows to send e-mails on the highest speeds! The program gives statistics of sending of letters in real time, allows to add any quantity of attachments, to dispatch the HTML-formatted messages, the built - in editor of letters supports highlighting of HTML syntax.