On 1/30/2014 2:50 PM, David Gibbs wrote:
Implementing SPF (Sender Permitted From or Sender Policy Framework)
means that you are publishing, in your domains DNS records, a list of
the mail servers that are allowed to send mail on behalf of your
domain.

It's entirely mail server independent.

FWIW: SPF is trivial to implement ... other email security techniques, such as domain keys or dkim, are much less so. They require server side functionality.

david







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