June 2025
Beginner to intermediate
1180 pages
37h 48m
English
Content preview from Linux
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26.5 Dovecot (POP and IMAP Server)
So far we have only installed Postfix. If you run Mutt or a similar email client directly on the server, you can send and receive emails. But if you want to work with external clients, such as Thunderbird on a Linux notebook computer or mail apps on a smartphone, they must be able to access the mail server's mailboxes.
Postfix doesn’t provide any functions for this; as a mail server, it only handles the SMTP protocol. The IMAP protocol has been designed to read and manage email on the server, while the POP protocol is hardly used anymore today. It allows you to retrieve emails from the server and transfer them to a local computer. The Dovecot program is responsible for these two protocols.
On RHEL and Fedora, ...
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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.