Mohammed Zaman says, “In today’s email marketing world, how you retrieve consent from your subscribers is becoming ever more critical. Why? Between ISPs like Mail.ru requiring senders to have expressed consent and the introduction of CASL (Canadian Anti-Spam Law), making sure you have consent from your recipients has become increasingly important.

What Is Double Opt-In?

Double opt-in (DOI) is a two-step process that’s used during the email registration process to confirm the subscriber actually owns the email address being used. Compared to a single opt-in sign-up form, there’s an extra step involved in which a confirmation message is sent to the email address, requiring recipient confirmation. After clicking the link, the recipient is then added to the subscriber list along with pertinent opt-in data.

Advantages of Double Opt-In

First and foremost, having consent from recipients that clicked on the opt-in means they are more likely to become engaged users and less likely to generate abuse complaints”.

Double Opt-In: What Marketers Should Know

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