Does RHEL support SPF (Sender Policy Framework)?

Solution Verified - Updated -


  • Does RHEL support SPF (Sender Policy Framework)?
  • How to use SPF (Sender Policy Framework) in postfx and sendmail.
  • Getting the following error when trying to send email from the MTA:
'Received-SPF: fail (domain of <domain> does not designate <IP Address> as permitted sender)'.


  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • postfix
  • sendmail

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