A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Time to get that bread. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Generating witty text... Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief.