How to configure conditional smart relay with sendmail on Rocky Linux 8
![Sendmail](https://i0.wp.com/www.web-workers.ch/wp-content/uploads/2021/12/sendmail.png?resize=774%2C287&ssl=1)
Rocky Linux 8 with sendmail hosting multiple domains works fine. Only one domain should be configured to use a smarthost with a third party anti-spam service. We want to prevent […]