May 2021
Beginner
1056 pages
24h 50m
English
Content preview from Networking All-in-One For Dummies, 8th Edition
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Chapter 7
Running Postfix
IN THIS CHAPTER
Looking at how email works
Installing and starting Postfix
Understanding basic Postfix configuration
Blocking spam with SpamAssassin
Reading email with mail
Postfix, which is a standard part of most Linux distributions, is one of the most popular mail server programs on the Internet. You can use Postfix as an alternative to expensive mail server programs, such as Microsoft Exchange Server, to provide email services for your LAN. This chapter shows you how to set up and use Postfix on a Linux server.
Before Postfix, Sendmail was the most popular mail server for Linux. Sendmail still works, and there are plenty of Sendmail servers still running. But Postfix is faster, more secure, and easier to manage, so it has pretty much taken over.
Spam artists — unscrupulous marketers who clutter the Internet with millions of unsolicited emails — are constantly ...
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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.
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.