search for: amahi_mail_system

hi! does anyone has a good howto, docs how to set up an smtp, pop3, imap server, with webmail, and has anti virus solution, and even spam filtering? :D [plus secure connection for the clients :D ] wich softwares are the best for this? [e.g.: "vsftpd is the most secure ftp server"..] users would be from /etc/passwd [so not virtual users] thank you! p.s.: I've already googled :(