The Mailing Overview page provides an overview of the success and failure rates of individual mailings or campaigns.
Some of the summaries available are:
Tracking Summary: Tells you how many people have opened your message, clicked on a tracked URL, or gone from one of your mailings to other pages on your Web site.
View Mailing: View the message body, message header, recipients, log and mail queue information.
View Opens View details about recipients who opened your message.
View Clickthrough Tracking: View details such as the clickthrough time, destination IP address, and URL.