Atomic E-mail Sender is shareware application software by AtomPark Software can send millions of emails to millions of recipients in a very short span of time. It is an ideal package for advertising through internet. Its email sending capacity is unlimited and amazingly fast because of its multiple thread delivery technology. Atomic Mail Sender uses built-in SMTP server for connecting to receiver’s computer. You can send your messages in both text and HTML form. You can not only create and edit your message in this application with its message editor but also import them from other text or HTML files. You can also save your messages in text and HTML form. You can also configure Atomic Mail Sender with your own DNS setting, custom HELOs and give your own mailing signature. You can also import Email addresses from different files and formats. You can also give a specific heading to all your email messages.