How to Install OpenSMTPD on Elementary OS Latest

This tutorial will guide you through the steps to install OpenSMTPD on Elementary OS Latest. OpenSMTPD is a lightweight, secure and reliable email server software that provides SMTP services.

Step 1: Update your system

Before installing OpenSMTPD, it is recommended to update your system packages using the following command:

sudo apt update && sudo apt upgrade

Step 2: Install OpenSMTPD

You can install OpenSMTPD on Elementary OS Latest using the following command:

sudo apt-get install opensmtpd

During the installation process, you’ll be prompted to configure OpenSMTPD.

Step 3: Configure OpenSMTPD

After installing OpenSMTPD, you need to configure it by editing the configuration file using your preferred text editor.

sudo nano /etc/smtpd/smtpd.conf

Here are some basic settings to get you started with OpenSMTPD:

pki yourdomain.com cert /etc/letsencrypt/live/yourdomain.com/fullchain.pem
pki yourdomain.com key /etc/letsencrypt/live/yourdomain.com/privkey.pem
listen on eth0 port 25 tls pki yourdomain.com
table vdoms {example.com = /etc/smtpd/example.com}
accept from any for domain vdoms deliver to mda "/usr/bin/procmail -a '$EXT@$DOMAIN'"

Replace "your domain" and "example.com" with your actual domain name. Adjust the configuration according to your needs.

Step 4: Start OpenSMTPD

After configuring OpenSMTPD, save the configuration file and start it by running the following command:

sudo systemctl start opensmtpd

You can check the status of OpenSMTPD service by running:

sudo systemctl status opensmtpd

Conclusion

That's it! You’ve successfully installed and configured OpenSMTPD on your Elementary OS Latest system. Now, you can start using it for all your email communication needs.