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SunWorld: POP goes the server

Jun 01, 1999, 14:27 (1 Talkback[s])
(Other stories by Cameron Laird)

"How to go about choosing a POP service for your Unix e-mail server."

"Mail transfer agents (MTAs) mediate the server-to-server communications. For two decades, the majority of MTAs have been sendmail running over Unix, but the competition has been heating up as alternative applications (including Postfix, qmail, CommuniGate Pro, and others) and operating systems (often Windows NT, but occasionally AS/400 or other special-purpose OSs) take on the standard configuration."

"MTAs often share their "local" work with mail delivery agents (MDAs). An MDA is a process that places a message where a user can access it with a mail user agent (MUA). The most popular MUAs now are POP clients such as Eudora, Outlook Express, and Netscape Communicator. The focus of this article is on the MDAs that serve POP requests for these end-user applications. Here, we look at the POP servers in isolation from their clients."

"All the POP daemons we've tested have had relatively easy installations. Most commercial vendors have a try-before-you-buy option.

"Choosing a POP server needn't be traumatic. All the leading alternatives are reasonably easy to understand. The range of worthy alternatives means that, whatever the scale, security restrictions, flavor of Unix, or required customizations you need, you're likely to find at least one that's an adequate fit."

Complete story.