Confirmed Opt-in Myths Exposed
Confirmed opt-in as defined by SpamHaus, who is one of the most respected anti spam organizations in the world:
Known as “COI” in the legitimate bulk email industry, also known as “Confirmed Opt-in”, “Verified Opt-in” or sometimes “Double Opt-in”.
With Closed-Loop Opt-in the Recipient has verifiably confirmed permission for …