Linux Labs· Linux Server ServicesLab 26 of 26

Postfix Local Notifications and the Mail Queue

Make one machine deliver its own notifications: Postfix on loopback only, root's mail routed to ops, then a message that sits in the queue until you read the reason, find what is holding the mailbox, and flush it.

  • Intermediate
  • 45 min
  • Not rated yet
Start labPart of Advanced Linux System Administration
  • A real environment in your browser
  • You run the commands yourself
  • Your result is checked automatically

In this moduleLinux Server Services

  1. BIND Authoritative Forward and Reverse DNS55 min
  2. Restricted DNS Caching and Forwarding45 min
  3. Secondary DNS and Authenticated Zone Transfer55 min
  4. Apache Name-Based Virtual Hosts50 min
  5. Nginx Reverse Proxy in Front of a Private Application50 min
  6. Apache HTTPS with a Training CA55 min
  7. Rotate the Certificate on an HTTPS Reverse Proxy55 min
  8. Samba Authenticated Team Share50 min
  9. MariaDB Administration and Least-Privilege Access55 min
  10. Postfix Local Notifications and the Mail QueueYou are here