January 2010
Beginner to intermediate
936 pages
27h 45m
English
Content preview from Mac® Security Bible
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28.1. Mac OS X Mail Server Overview
Like nearly all mail servers, the one built into Mac OS X Server has two major components: an SMTP server (Postfix) that handles communication with other mail servers and a POP/IMAP server (Cyrus in Leopard; Dovecot in Snow Leopard) that handles retrieval and management of your users' mail. Depending on your needs, you might turn on only one or two of these protocols, but the most common arrangement is to offer all three. For each one, you have a variety of choices involving security.
NOTE
In addition to SMTP, POP, and IMAP services, Mac OS X Server offers a webmail interface (SquirrelMail) and a mailing list server (Mailman), neither of which I cover in this book.
The first thing you should ponder is how you want to structure your mail services with respect to the other services you're providing with Mac OS X Server — and whether running your own mail server is the best solution for your organization.
My personal experience running mail services on Mac OS X Server has been that it's highly resource-intensive, which means that if your organization sends or receives a great deal of email — and especially if you employ server-based spam and virus filtering — it can slow down other processes running on the same computer (such as a web server). Your mileage may vary, of course, depending on such variables as the number and speed of your server's processors, the amount of RAM it has, the volume of mail transferred, and the variety of other processes ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.