Expand internal private networks with self managed mail servers for maximum flexibility of e-mail features and privacy control. Use a web based administrator console to create and manage email accounts and to specify advanced e-mail configurations. Implement effective anti-spam strategies to ensure that junk e-mails do not reach the inbox. Moreover, implement appropriate DNS settings and network security policies to ensure that outgoing e-mails reach the inbox of the receivers and not the spam folder. Prepare for disaster recovery and troubleshooting with a mail backup server to ensure that mail server communication protocols are always functional.

Use the open source Zimbra mail server for a flexible Linux hosted solution. Zimbra supports modern protocols including SMTP, POP3, IMAP, IMAP IDLE, SMTP over TLS, POP over TLS, and SSL. It furthermore provides the flexibility to access e-mail data from a web mail interface, through ActiveSync or directly through the mail server database. The web based user interface provides a modern platform that is feature-rich and mobile compatible. Zimbra provides authentication over LDAP, Open LDAP and Active Directory.

Integrate Microsoft Exchange server seamlessly with other Microsoft products, such as the Windows operating system and Internet Explorer. Exchange Server is a Windows hosted platform that supports modern mail protocols including SMPT, POP3, IMAP, IMAP IDLE, SMPT over TLS, POP over TLS, and SSL. It features a friendly webmail interface for web users and also ActiveSync for synchronization with mobile devices. It also allows authentication over Active Directory and NTLM.