Please find below short instruction describing how SurveyLab can be integrated with Freshmail and how to match your clients' information with survey results.
To configure Freshmail to work with SurveyLab :
You can use custom fields to add additional data to the survey.
Survey results will be available in SurveyLab Reports. Information that will allow you to identify individual clients will be available in response details in Reference (URL).
NOTE. Please remember to add / at the end of URL. You can add multiple fields in order to transfer more information into your survey. In this case please use - to separate values, e.g. /referrer/$$emial$$-$$hash$$/.