I configurated smtp server as describe in https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-as-a-send-only-smtp-server-on-ubuntu-18-04 but when i do echo “This is the body of the email” | mail -s “This is the subject line” my_email_address email do not delivered to my email
What is the problem?
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.