19. Server Name Identification - Postfix | Hosting an email server for free
In this second bonus video for the 'hosting of an email server' video series, we look at setting up Postfix to allow for Server Name Identification (SNI) which will enable the hosting of multiple domains on the same IP and server (Raspberry Pi).
As mentioned in this video, I assume that if you have an additional domain, that you will have encryption keys generated for that new domain (if you wish to follow along). The video earlier in the series which deals with creating encryption keys for a domain via certbot, is here:
• 7. Obtaining a signed certificate usi...
You can follow this video again if you wish to create the encryption keys for your additional domains.
Additionally, I assume that if you have a new domain, it is owned by you in the same way your first domain was, and that you have a DNS hosting provider, ideally CloudFlare, which is configured such that the DNS settings are pointing to your home router's external IP. In a later bonus video, I will run through the DNS settings, so don't worry too much, but you can easily setup your DNS settings by copying them over from your existing domain, and just updating the domain name where necessary within the records.
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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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