Sendmail is an open-source email solution that enables users to send and receive emails on their servers securely. Here's how to install Sendmail on Elementary OS Latest:
Before installing Sendmail, ensure that your Elementary OS system is up-to-date by performing the following command:
sudo apt-get update && sudo apt-get upgrade
To install Sendmail on your Elementary OS latest, open the terminal and execute the following command:
sudo apt-get install sendmail sendmail-bin sendmail-cf -y
This command will install Sendmail and its dependencies on your system.
After installing Sendmail, you need to configure it to use your domain or hostname. For that, you need to edit the Sendmail configuration file. Execute the following command to open the file in Nano text editor:
sudo nano /etc/mail/sendmail.mc
In the file, locate the line that reads dnl define(SMART_HOST', smtp.your.provider'). Uncomment or remove the dnl at the beginning and replace smtp.your.provider with your domain name or hostname (e.g., yourdomain.com):
define(`SMART_HOST', `yourdomain.com')
After editing, save and close the file by pressing Ctrl + X, followed by Y, and then Enter.
Now, regenerate the Sendmail configuration file by executing the following command:
sudo m4 /etc/mail/sendmail.mc > /etc/sendmail.cf
After regenerating the file, restart the Sendmail service to apply the changes:
sudo systemctl restart sendmail
To test if Sendmail is working correctly, execute the following command:
echo "Test email from Sendmail" | sendmail -v your-email-address@example.com
Replace your-email-address@example.com with your email address to receive the test email. If everything is set up correctly, you should receive the email in your Inbox.
Congratulations! You have successfully installed and configured Sendmail on your Elementary OS Latest, and you are now ready to use it to send and receive emails securely.
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