June 2016
Intermediate to advanced
152 pages
3h 30m
English
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Configuring authentication for outbound e-mail
With our current mail server setup, we can retrieve e-mail remotely and we can send mail from the local box, but we cannot send mail from remote systems. In order to enable this functionality, we need to configure Postfix to require auth for sending outbound mail from remote users. Typically, this requires setting up a SASL server of some variety like Cyrus saslauthd. In our case, we're going to use Dovecot's built in SASL server.
How to do it…
- Configure Dovecot to expose its SASL interface to Postfix by editing
/etc/dovecot/conf.d/10-master.conf:service auth { … unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } … } - Configure Postfix to authenticate via SASL ...
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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.