How To Write A Subject Line For Selling Via Email. Iphone cuts off subject lines after 35 characters but gives 140 characters of preheader. It takes time and skill to craft enticing email subject lines for sales prospecting, so we decided to turn to experts.

Create a sense of urgency, curiosity, or importance, but avoid clickbait; 55% of professionals happen to read their emails on their phone, and the average mobile screen can only fit between 4 and 7 words, maximum. Remember to be genuine, ask a question you’d really like to know the answer to, and keep it simple.