Performance Benchmarks for the Most Popular Email Campaigns Need some inspiration for your 2018 email marketing goals? Look no further than Return Path’s 2018 Email Marketing Lookbook. In this guide, Return Path highlights certain key email campaigns designed to keep customers engaged throughout the subscriber lifecycle, and some brands who have done it right. The ten key email marketing campaigns every program needs; The average performance metrics of each campaign; and. Source: https://www.marketingcharts.com/sponsored-content-82017 Share It! Share on Facebook Share Share on TwitterTweet Share on LinkedIn Share Send email Mail No related summaries.