## Mail Download

E-mail clients are usually referred to as Mail User Agents (MUAs).

Most UNIX users are familiar with reading e-mail directly on the server using a command-line or graphical user interface (GUI) e-mail program such as UCB Mail, Z-Mail, Pine, Elm, Emacs RMAIL, and Mh/XMh. Windows NT e-mail clients usually download e-mail from a server to the local computer, even in LAN environments.

A common UNIX role is providing e-mail download services to Windows NT clients. A UNIX daemon such as Qualcomm’s Qpopper supports POP3 and Imapd supports both POP3 and IMAP. The two most common protocols for communicating with Microsoft Exchange Server are MAPI and POP3. IMAP is supported in Microsoft Exchange Server version 5.5 and is emerging as a successor to POP3. It better meets the needs of mobile users who retrieve e-mail from different locations or computers. Almost any client used in a UNIX environment today can be used compatibly with Microsoft Exchange Server.

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Last Updated: December 1, 1997