In most cases, with marketing emails, senders must get permission from their contacts before sending any marketing campaigns to them. Around the world, many countries and regions require this by law.
When you turn on double opt-in for your Shopify store subscribers, we'll send your subscribers an email to confirm their willingness to join your marketing lists. You can then be confident you're sending campaigns to valid, monitored, consenting email addresses.
Before you start
Things you need to know:
We advise you to disable Shopify's own double opt-in process before you enable the Dotdigital double opt-in feature.
Learn how in the Shopify article Enable double opt-in for subscribers.
If you turn this feature on, any time you change a subscriber's Accepts email marketing status in Shopify, it automatically sends Double opt-in confirmation emails from your Dotdigital account.