New stock notice: This is one of the effective ways to encourage your existing customer to make a new purchase. If you send them an email about the new stock and keep them updated with new products at your store, so, they will definitely come back to your site and make a purchase what they actually like. For this, you just need to add images of new stock to your site and consider where to link.
Targeted campaigns: Another way to grab the attention of your customer is by sending targeted email to your customer. To attract your old customer and for making a new customer, you should target them according to their gender, location, interest, or whatever relevant to your e-store.
Review request email: This is a proven way to increase conversion. So, the next time when your customer purchases something from your e-store, you should send them an email and ask for their review about the product or after sale service. This will help to drive new customers and also encourage the existing ones.
Birthday emails: Yes, you should send birthday emails or some special discounted offers or coupons to your customer as their birthday gift. It is really helpful to make your existing customer feel that they precious to you. This will give them a reason to come back to your site again and again.
All the above email marketing campaigns will help you to increase your sale and satisfy your customer in the best possible manner. So, you should adopt one of the above strategies, which helps to grow your business.