FastMail provides extensive filtering, processing, and recording capabilities for incoming correspondence and requests, creating incoming and outgoing message archives, and features the ability to personalize mail distribution for a large number of recipients. With the help of this software, you will be able to send information to large groups of users as easily as to a single address. It makes it possible to arrange automatic replies based on preset templates depending on letter content and provides for automatic processing of requests for news subscriptions and requests to be deleted from the mailing list.