In itracMarketer, you can create a re-target list. This list will include all of the contacts who have not opened your previous email campaign.

Navigate to the e-blast report.

reports

eblast report

Click on the Create Retarget List button.

retarget

Your list will automatically be created.

Copy the same email campaign and add your retarget list.

You have now sent the campaign to all of those contacts who did not open your email the first time around.