June 2004
Intermediate to advanced
1056 pages
39h 58m
English
Content preview from Mac OS X Panther in a Nutshell, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Mail Services
Email-related daemons can be put into two categories: mail transport agents (MTAs), which send new email messages to their destination machines, and mail delivery agents (MDAs), which send mail that’s landed in a user’s mailbox to that user’s personal computer.
Mail Transport Agents (Postfix)
A mail transport agent sends email to other computers, most often via the SMTP protocol. Mac OS X ships with Postfix, a program that aims to be an improved alternative to the still more common sendmail program that shipped with previous versions of Mac OS X.
Tip
Run Postfix only if you need to provide mail-sending services to yourself or your network. You don’t need to run this service to simply send email as long as there is an SMTP server that will accept connections from your machine; most ISPs provide mail services on their own servers, for example.
Using Postfix
You can configure
Postfix
to work in two ways on your machine. The first, as a local mailer,
allows you to send and receive local messages, as well as send
messages to external Internet addresses. This mode is useful for
receiving the regular cron reports that get sent
to root, for allowing scripts to send mail, and
for sending quick messages from the command line using the
mail command.
Postfix can also run as a standalone mail server, able to exchange mail with other servers on the Internet. Even if you don’t need to run your own full-fledged mail server, this mode lets you use your regular GUI email client and send ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.