How To Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 18.04 | DigitalOcean

Postfix is a mail transfer agent (MTA), an application used to send and receive email. It can be configured so that it can be used to send emails by local application only. In this tutorial, you’ll install and configure Postfix as a send-only SMTP ser

Source: How To Install and Configure Postfix as a Send-Only SMTP Server on Ubuntu 18.04 | DigitalOcean