Knowing about the success or failure of an Email Marketing Campaign is highly important for all the company’s and so, they need to know the parameters that you use to get these insights.. However, there are many rates and terms in Email Marketing that you will have to go through. Out of all of these, the five most insightful matrices are -  Deliverability Rate as it tells about the effectiveness of email delivery  Open rate as it tells about the efficiency of the subject line that induced people to pop in.  Click-through rate as it helps you make more targeted emails.  Conversion Rate as it tells about how many people downloaded your offer  Social Sharing Rate as it will tell about the number of re-shares.  These matrices are most helpful as they can quickly tell you about your campaign and its success.