How to block incoming emails from Internet for a particular alias group using postfix?
Issue
- /etc/aliases has following entry:
user: test, test1, test2
- How to configure postfix so that only internal users are able to send emails to alias group named "user" (user@example.com)?
Environment
- Red Hat Enterprise Linux 6.0
- postfix-2.6.6-2.2.el6_1
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.