Spam Filter uses SMART Self-Learning Filters to automatically record user activity when they accept or reject any senders message. The simple click-it-and-forget-it process makes creating manual filters and rules a thing of the past. Smart Spam Control for POP3, AOL, HOTMAIL, MSN and YAHOO accounts. Works with POP3 Email Programs - Outlook, Outlook Express, Eudora, Incredimail, Netscape and others. Auto Import of address books, remote filtering, unlimited accounts and profiles supported. Smart AutoReply for keyword activated autoresponders, bounce backs and courtesy replies. Delete from server and send banned to trash supported . Other features include Banned List, Keyword list & Authorized list. SmartLock provides attachment locking, script and image reference removal for enhanced virus protection. Smart ID provides lock down email security. No digital codes or subscriptions required. Smart MailRouter provides wild card support for fine tuning of Authorized, Keyword and Banned List. Allows filtering of sub-domains, mailbox names, domains etc. Built in Obscene subject line filter. Patent Pending Smart Filtering Technology combines user profile data into a multi-tiered filtering process which changes based on user input through the built in memory process. Users can leave filtered mail on their server, send a copy of filtered mail to email program or both. SmartDeliver allows users to automatically process and deliver filtered mail to their email program or simply clear the junk from their account online, such as AOL, Hotmail, MSN or Yahoo accounts. Other features include Password protected profiles, SmartCompose for personal message sending - individually addressed messages, no BCC required. Users activate the filter from within their email program or use it as a stand alone filter for their web mail accounts or do both. 30 Usage Day Free Trial. Comparisons to other spam filter software can be seen here: http://spam-filter.mailboxfilter.com/different.html