SurgeMail Mail Server- Easy install, secure, antispam, antivirus. Supports IMAP4, SMTP, POP3, SSL, HTTP, unlimited users, unlimited domains. Free Webmail including groupware:- calendaring, filestore and blogging.
SurgeMail Mail Server Software Suite - combines advanced features, high performance and ease of use. Ideal on Windows, UNIX ( Linux, Solaris etc.), Mac OSX, FreeBSD and others, this integrated email server is an Antispam Server, Antivirus Server, Webmail Server, Groupware Server, Blog Server and much more.