If your company is sending emails, you have likely seen or heard of one of these types of email campaigns.
Marketing Email Types
Peer Initiated Invitations - A campaign where customers can invite their friends and family to sign up for your newsletter, products, and services. Be careful, there are right and wrong ways to do this!
Reconfirmation Email Campaign - Ask your customers to confirm again that they want your marketing information. This campaign type is used to re-engage your users and clean house of unengaged customers.