Tag: Sender Policy Framework

SPF woes with third party services … a workaround.

Many people use SPF (Sender Policy Framework) as an anti-spoofing measure. They create an SPF record in their DNS zone for their domain. From time to time though, some customers will do business or use third party services that will send out Email on their domain's behalf and unfortunately, this will cause recipient MTAs to hard-fail or soft-fail these messages. (Sep 04, 2009)

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