Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Opening the door to unlimited creativity… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Sikuthanda kakhulu ngoba ungowohlobo lwethu. Try different email subject line styles to find what gets the most opens. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Let your imagination run wild.