Need VBA script for sending automatic emails when excel cell date equals current date

I am trying to set up a macro that will automatically email the names checkmarked in the excel file three days before the due date listed. I've tried to attach a template, but it is not allowing me to add attachments. Instead I will be linking it from my Dropbox. Can anyone help? I am brand new to macros, never touched them before, so I need as much help as I can get. Thanks!

https://www.dropbox.com/s/g3cxd57m0s...lank.xlsx?dl=0

Thanks! Is there anything I need to do to connect the email addresses to the names in the checkmark list? I want only the ones checkmarked to be emailed when the due date on that row triggers.