2. Plan for the long-term
When you add subscribers, craft a long-term plan that keeps them in the fold as long as possible. This might mean putting together a long-term strategy to try to get as much customer feedback as possible on what they'd like to see more of on your site or in your store. Develop trust and cultivate something that lasts.
3. Re-confirm your customers
If you're working with a house list that hasn't been used in a while or contains erroneous email addresses thanks to the passage of time, re-confirm your customers. How do you do this? Send a re-confirmation email asking them to re-subscribe to your newsletters or emails. It might say something like this: