1)   Merak Mail Server Suite 8.3.8
Multiple awards winner mail server with ultimate features and stability. Provides you with secured Mail services, Web-Mail, Anti-Spam, Anti-Virus, Instant Messaging, GroupWare, FTP, ODBC and load balancing, monitoring and report facilities.
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 2)   iNetQuery 2005
iNetQuery is a powerful Internet utility for network monitoring. Special query features, like DNS, Whois or NetStat, can be used to determine detailed information about domains, hostnames or network providers.
NETWORK.INTERNET, TOOLS, NETSTAT, WHOIS, DNS, PING, TRACEROUTE, SPF, QUERY,

 3)   MailEnable Professional 1.6
MailEnable Professional Edition is a enterprise level mail server for Windows 2000/NT/XP. It supports SMTP and POP3, supports an unlimited amount of email addresses, domains, groups and mailing lists.
mail server, email server, mailenable, mail enable, e-mail, email, mail, POP, POP3, SMTP,