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Every address you hygiene with us will have a result that is either “safe to send,” “send with caution,” or “do not send,” but we also include a lot of detailed information too; here’s what they all mean.



Want to know what sunsetting or DMARC policy is right for you or learn if BIMI makes sense for you organization? We’ve got you covered. 




API Documentation 

AlfredKnows makes it easy to integrate list evaluation and email hygiene into your application with APIs.