How to configure postfix failover/fallback relay hosts?
Issue
- How to configure postfix to work in a failover manner for two relay hosts?
Environment
- Red Hat Enterprise Linux (RHEL) 5
- Red Hat Enterprise Linux (RHEL) 6
- Red Hat Enterprise Linux (RHEL) 7
- postfix [2.3.x] onwards
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.