Installing EmailRelay on Clear Linux Latest

EmailRelay is a free, open-source, SMTP proxy software that allows you to receive and send emails securely. Clear Linux is an optimized Linux distribution tailored for cloud and data center environments.

In this tutorial, we will guide you through the steps to install EmailRelay on Clear Linux Latest.

Prerequisites

Before we start, ensure that you have the following requirements:

• Access to a terminal window on Clear Linux Latest
• An internet connection
• sudo or root user privileges

Step 1: Open a Terminal Window

To open a terminal window on Clear Linux Latest, press Ctrl + Alt + T or select the terminal icon from the menu.

Step 2: Install EmailRelay Dependencies

Before we can install EmailRelay, we need to install its required dependencies. Enter the following commands in the terminal window to install the dependencies:

sudo swupd bundle-add network-basic
sudo swupd bundle-add devpkg-libidn2 devpkg-openssl devpkg-gnutls devpkg-libassuan devpkg-libksba 

Step 3: Download and Extract EmailRelay

Download the latest EmailRelay source code from the official website using the following command:

wget https://github.com/rnwood/smtp-proxy/releases/download/v1.9.4/emailrelay-1.9.4.tar.gz 

Next, extract the downloaded archive using the following command:

tar xvfz emailrelay-1.9.4.tar.gz

Step 4: Install EmailRelay

Navigate to the extracted EmailRelay directory using the following command:

cd emailrelay-1.9.4

Now, run the following commands to compile and install the software:

./configure
make
sudo make install

Note that the above commands will install EmailRelay in the default /usr/local directory.

Step 5: Configure the EmailRelay

To configure EmailRelay, create a configuration file using the following command:

sudo nano /etc/emailrelay/emailrelay.conf

Add the following lines to the configuration file, replacing the example values with your own:

# The hostname of the SMTP server that you want to relay messages through
smart-host = smtp.gmail.com 

# The port number of the SMTP server
port = 587 

# Your email address and password for authentication purposes
auth-login = your-email@gmail.com:your-gmail-password 

# The email addresses allowed to use the relay
allowed-users = your-email@gmail.com 

Save the file and exit the editor.

Step 6: Start EmailRelay

To start EmailRelay, run the following command in the terminal window:

sudo emailrelay -c /etc/emailrelay/emailrelay.conf 

You should see the following message if EmailRelay has started successfully:

Ready to relay mail

Conclusion

We have successfully installed and configured EmailRelay on Clear Linux Latest. Now you can relay emails securely through your SMTP server.

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