7. Obtaining a signed certificate using Let's Encrypt | Hosting an email server for free

Published: 25 June 2020
on channel: Raspberry Pi Coding

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In this video we obtain a CA signed certificate from Let's Encrypt for Dovecot and PostFix to secure our Raspberry Pi's email server traffic. We also modify our CloudFlare DNS settings to create an A record for the mail subdomain we'll be using, and we point Dovecot and PostFix towards our new certificate and key.

Finally, I should mention that I said this would be the last configuration video for PostFix and Dovecot, that is 99% true, but not quite, sorry! There are just a few more (boiler plate) lines to modify in the PostFix master configuration file which we'll look at in the next video, when we'll also check that something called STARTTLS is available to us.

Video 16 of the Hosting of a WordPress website video series, which explains how and why I use CloudFlare for DNS settings is available here:

• 16. Configuring Cloudflare to point y...

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This video is part of the DIY Hosting video series, in which I show how to setup and host a WordPress website and an email server, complete with a comprehensive Continuous Integration pipeline on a Raspberry Pi.

I hope you enjoy my video series and find it useful. I'd be very grateful if you could like and subscribe to my videos, it gives me a warm fuzzy feeling and helps me carry on making this kind of content. :)

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