We turn the spotlight on the post-send portion of your email marketing campaign. Reviewing the results - your metrics (or statistics) - should be a key part of your email marketing strategy. It's what will help you improve on each mailing, producing better results every time.
The article "Email Metrics 101", explains common metrics terminology, plus provides good resources for further research. Sourced articles include MarketingSherpa's just-released third annual Email Metrics Survey results.