1. Keep it short and sweet. You don’t know how many words your recipient will see when your email pops up on their screen, so try to keep it under 50 characters, or between four and seven words. Avoid one-word subject lines such as “Hello” or “Hi.”
1. Keep it short and sweet.You don’t know how many words your recipient will see when your email pops up on their screen, so try to keep it under 50 characters, or between four and seven words. Avoid one-word subject lines such as “Hello” or “Hi.”