We can see the statistics for individual contacts on the related list named MassMailer Email Status under Contact.
Thanks for the feature request. This will be a nice feature which will enhance Mass Stay In touch functionality. We will keep you posted once this will gets implemented.
Mansa Support Team
I have used your Mass Stay In touch Of MassMailer and I am pretty much comfortable with the module. You guys did an excellent job in order to built this feature which is nearby similar to Salesforce Mass Stay In Touch minus Salesforce Mass Stay In Touch Limitations.Here I would like to ask you guys that can we see the email statistics for Mass Stay In Touch Emails?