Don’t forget to add a fun, relevant call-to-action button to your email. Sikuthanda kakhulu ngoba ungowohlobo lwethu. Time to get that bread. Not just a pretty interface Try different email subject line styles to find what gets the most opens. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Sit up straight.