Sign-ups, subscriptions, opt-ins are amongst the most common online transactions.
But, as with any transaction the parties involved need some confirmation that it happened.
The best way to do that is with subscription confirmation emails.
In this article, you can learn about:
✅ Single opt-in vs. Double opt-in
✅ 5 Subscription Confirmation emails — designing tips you can learn from
✅ How to set your subscription confirmation emails