I want to reward customers with a discount code for signing up to our newsletter. However, our customers spend less than a minute checking out and I am at 15 minutes waiting for my tester welcome email. Any guidance?
Delivery can have a lot of variables, from elements on our side, on your side, on the recipient's side, and in their email system company's side. It's typically best toset up additional authenticationfor your emails, such asself-authenticationif you have your own domain.
If you'd like to learn more about safelisting, and what it entails: