North American Network Operators Group

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Re: On the inoc-dba subject

  • From: Joe Maimon
  • Date: Mon Feb 06 07:38:45 2006

Rubens Kuhl Jr. wrote: publishes a SPF record:
"v=spf1 ip4: mx ~all"

Besides going from soft-fail (~all) to fail (-all), they are already
giving you the tools you need to validate a MAIL FROM: claim.


Thats all very well and good, but advising people who do not validate with spf to whitelist by domain name is an over-simplification.