Red Hat Bugzilla – Bug 123234
Add SPF support to sendmail
Last modified: 2007-11-30 17:07:01 EST
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Description of problem:
SPF permits MTAs to verify that the sending MTA is a permitted source
of mail for a given domain by checking dns txt entries.
SPF is gaining widespread adoption, including large ISPs.
For a system to fully participate, its MTA must be able to validate
SPF for received mail. Sendmail milters or patches are available to
I would like to see SPF support provided in RHEL (presumably by milter
until sendmail supports it natively)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Actual Results: n/a
Expected Results: n/a
SPF is patented, therefore there is no way to put it in.
I think you are mistaken - are you possibly thinking of the Microsoft
Sender ID, which does have patent issues. I believe Sender Policy
Framework (SPF) is open, and has now been adopted by the IETF.