You can write a custom script that would send the mail with contents necessary and add it to scheduler.
All you need to do for that is create a new scheduled task and perform the below when the task is initiated.
C:\Xampp\php\php.exe -f C:\Xampp\htdocs\my_script.php
But while writing the PHP script you need to be careful.
Can you tell us what contents you want to include in that mail ?
BR//
Harsha