June 2016
Intermediate to advanced
152 pages
3h 30m
English
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Configuring Postfix to send and receive e-mail
The most important part of any e-mail system is the MTA. This system is responsible for handling delivery of e-mail messages, both outbound and inbound. It can also be the downfall of your mail system if it is improperly configured, which could result in your system being used for sending SPAM mail to other destinations.
One of the original and most well known MTAs is Sendmail, which dates back to 1983. It is a very powerful tool, and unfortunately very easy to get wrong. In fact, the configuration language for Sendmail is so obtuse that there is actually a macro language called m4, which is commonly used for generating Sendmail configurations. M4 makes configuring Sendmail much simpler, but there ...
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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.