This is a secure mail server with antivirus and anti-spam, built-in firewall with NAT and Web content filter proxy for controlled Internet sharing. The standards based SSL SMTP/POP3 e-mail server provides encrypted communication. DNSBL, Bayesian filter, and blacklist and whitelist provide junk mail protection. An integrated fax server delivers unified access to faxes and e-mail. Secure your network with the built-in packet filter and use the HTTP and SOCKS proxy with cache for monitored Internet sharing. Manage IP addresses with the included DHCP server. The integrated Web server provides access to the Web mail client, shared address book, remote administration and user home pages. SSL, ISAPI, CGI, and FastCGI support is available. Also includes text content based Bayesian spam filter, Web Mail Client with WAP support, network address translation, attachment filter, PureSight proxy content filter, auto-update and ActiveReports.

The license of this software is Freeware, you can free download and free use this email server software.