Atomic Subscription Manager is a utility to manage mailing lists that automatically controls the joining and leaving requests of your contacts lists (as long as you have support for more than one)The Atomic Subscription Manager program can process the petitions via a POP3 account, or alternatively via HTTP or FTP access to the list in question.You have the possibility to create individual rules for each list, and keep multiple lists with unlimited subscriber numers. With Atomic Subscription Manager size doesn+t matter!