How to configure a Postfix relay host

Solution Verified - Updated -

Issue

  • Postfix needs to be configured on a local machine to use an existing SMTP relay on a network. Or,
  • Postfix needs to be configured on a local machine which is on an intranet where the internal DNS uses no MX records.
  • How to configure a Postfix relay host
  • How can a Postfix relay host be configured?
  • How can Postfix relay mail to a relay server?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Postfix

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In