November 2009
Beginner
376 pages
8h 49m
English
book
Linux Email
by Ian Haycox, Ralf Hildebrandt, David Rusenko, Alistair McDonald, Patrick Ben Koetter, Carl Taylor, Magnus Back
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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.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.
Stopping spam and other unwanted messages
This section will discuss the various methods Postfix provides to help stop unwanted messages. Spam, or unsolicited commercial e-mail, is perhaps the biggest problem that e-mail server administrators face, but there may also be other kinds of messages that one does not want to receive.
Postfix by itself will not stop all spam, but it can catch many spam messages. For some people this may be adequate, but if you need to fight large volumes of spam you may need a tool such as SpamAssassin, described in Chapter 8. Even if you use SpamAssassin, Postfix's own lightweight methods can help reduce the load on the server by rejecting the messages before they even reach SpamAssassin.
Postfix's anti-spam methods: ...
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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.