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Title: Creating an Email Server at Home Inside of a Virtual Machine Using Linux & Citadel
Author: Wall's Corners
Rating 5 of 5 Des:
Citadel makes this pretty sophisticated and money saving procedure really easy. Once I figured out what I was doing, the install took me abo...

Citadel makes this pretty sophisticated and money saving procedure really easy. Once I figured out what I was doing, the install took me about 45 minutes to complete, here are the steps I took!

I’m running PHPvirtualbox on server 12.04 as detailed in this post.

First thing’s first, get a virtual machine with a debian based OS loaded up.

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I’m using 12.04 for the VM as well

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Then go through the OS install, only installing openssh-server as additional software.

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First we need to give the server a Fully Qualified Domain Name (FQDN)

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You will need to edit the

files.

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Change whatever name you chose in the install process to ‘mail’ in the /etc/hostname

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Modify your /etc/hosts as follows. The green box is the domain you will be using.

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After rebooting, you will be greeted with a your hostname set to mail. You can still log in with your regular username & password.

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Running

Should yield very similar results.

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Now we need to establish a static for our virtual machine.

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In PHPvirtualbox, set the network mode to ‘Bridged Adapter’

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Running the following commands

And getting these results means our configuration is ready to go!

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I am now using the Putty window so I can copy commands in. First log in as root.

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Run

and go through the citadel install process.

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I’m changing the default port to 80 for now, just for simplicity.

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After the install, reboot the VM.

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Now log in to citadel!

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Now we need to do MX forwarding. My DNS host is network solutions, but the process is very similar regardless to which provider you use.

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Again, your domain is represented by the green box.

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The yellow box is your IP

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You can use whatismypi to determine your IP address. If it is dynamic, you can use No-IP to get a static one .

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The records should look something like this.

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Now in citadel, you need to go to ‘Administration’ -> ‘Domain names and Internet mail configuration’ and add your domain.

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Now open the following ports on your router. This is dangerous, but IMO worth it.

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Now we test!

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There we go! Pretty much no cost email addresses!

Thanks for reading, leave any improvements in the comments.

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