"Tracking shows that they received this on May 23rd but they have not given feedback as yet... I sen ... " (more)t a reminder on June 3rd and they got on June 4th but have not been on since."
"Tracking shows that they received it on May 13th but looking at their page they have not been on si ... " (more)nce May 12th so they have not marked that they received it or giving feedback."