Create a PHP page, that will run from a cron job, its task is to get emails from mysql and send them an html email, and update the record if email was successful or failed.
Table 1: id, record (table 2 - id), name, email, status
Table 2: id, email subject, email message, image
10 freelanceria on tarjonnut keskimäärin 25 $ tähän työhön
i have this script ready and can share with you as per your convenience. Also, i can help you setup on your server. Looking forward to discuss this with you.