Opt-In & Subscription Models

The "gates" to your list. This section defines the two main models: Single Opt-In (SOI) (user is added immediately) and Double Opt-In (DOI) (user must click a confirmation email). We'll cover why DOI is the "gold standard" for list hygiene and deliverability.

18 questions in this topic

What is single opt-in (SOI)? What is double opt-in (DOI)? What are the pros and cons of SOI? What are the pros and cons of DOI? Is DOI required by any laws? Which opt-in method is better for list quality and deliverability? What is an “affirmative action” in opt-in? What is pre-checked box compliance status under GDPR? What is a subscription preference center? How to handle partial or topic-based consent? What is “implied consent” and when is it acceptable? What’s the difference between “soft opt-in” and “legitimate interest”? What is a confirmed opt-in email and how to design it? How can ESPs verify double opt-in compliance? What is consent chaining (multiple data collectors)? How do re-permission campaigns work? What is a consent refresh strategy? How should unsubscribe pages interact with consent data?

Questions about Opt-In & Subscription Models