May 2001
Beginner
624 pages
13h 6m
English
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Chapter 5. SMTP and Postfix
The Simple Mail Transfer Protocol (SMTP) has been used since 1982 to deliver e-mail messages and attachments to many different types of computer systems. Its ease of implementation and platform independence has made it the standard protocol used to transfer messages between computer systems on the Internet. To understand how e-mail works, you should get to know SMTP.
The Local Mail Transfer Protocol (LMTP) is a newer protocol that can streamline mail transfers without using message queues.
Postfix is one of a few MTAs that support communicating with Mail Delivery Agents (MDAs) using LMTP. This lets Postfix delegate the chore of delivering local messages to one or more MDA programs, thus freeing it up for other duties. ...
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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.