Siproxd is a proxy/masquerading daemon for the SIP protocol. It handles registrations of SIP clients on a private IP network and performs rewriting of the SIP message bodies to make SIP connections work via an masquerading firewall (NAT). It allows ...

si.Mail is a revolutionary e-mail client developed by Miha Vrhovnik that has among its innovative features: * Published under GPL (you don’t have to pay for it if you are using it, full source code availability), * Localization, * Html me...

SpamAssassin is one of the best spam filters and it is also free. However, it usually runs on corporate UNIX servers. The goal of this open source project is to release special builds of SpamAssassin that run on Windows platform. SAwin32 is a POP3 pro...

The SpamBayes project is working on developing a statistical (commonly, although a little inaccurately, referred to as Bayesian) anti-spam filter, initially based on the work of Paul Graham. The major difference between this and other, similar projects...