Proxy+ is a firewall, proxy, and mail server designed to provide a complete solution of shared access to the Internet from a LAN. Proxy+ features advanced sorting of incoming messages and advanced caching of Web pages. Version 2.20 added an uninstall feature, a full SMTP mail server, proxy cascading by ICP protocol, new documentation, and Socks server support for ICQ. Version 2.50 added enhanced downloading and sorting of mail from POP3 mailboxes, the ability to authenticate a user in a Web browser, and prevention from abusing security bugs in MS Outlook and Outlook Express. This update features minor enhancements and bug fixes.
Note: This version is free for three users. Versions for 5, 10, and unlimited users are also available, with prices ranging from $99 to $299.