EmailRelay is a free and open-source email filtering and forwarding software. nixOS is a Linux-based operating system. In this tutorial, we will guide you on how to install EmailRelay on the latest version of nixOS.
Before we begin, make sure you have the following prerequisites:
Before we proceed with the installation of EmailRelay, we need to ensure that the system is up to date by running the following command in the terminal:
sudo nix-channel --update && sudo nixos-rebuild switch
Once the system is up to date, we can install EmailRelay using the following command:
sudo nix-env -i emailrelay
This command will install EmailRelay and all its dependencies.
Now that we have installed EmailRelay, let's configure it. The configuration file for EmailRelay is located at /etc/emailrelay.conf.
Here is an example of a basic configuration file:
# Listen on all network interfaces on port 25.
listen 0.0.0.0:25
# Email address to use as the sender of forwarded emails.
address sender@example.com
# Email address to forward emails to.
server smtp.example.com
# Credentials of the mailbox to forward emails from.
user username@example.com
password userpassword
You can customize this configuration file based on your requirements. You can also refer to the official EmailRelay documentation for more details.
Once you have configured the EmailRelay, you can start it using the following command:
sudo emailrelay -c /etc/emailrelay.conf
This command will start the EmailRelay with the configuration file you specified.
In this tutorial, we learned how to install and configure EmailRelay on the latest version of nixOS. We also saw how to start EmailRelay using the configuration file we created. You can now use EmailRelay to filter and forward emails on your nixOS system.
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