How do you engage prospective customers with email marketing? The subject line. Before a customer even decides if they want to buy something, they have to open your email first. Before they open the email, they usually decide if your email is worth opening. So, the first place you have to capture their attention is the subject line.
Subject Lines with the following characters have been shown to have better results:
Correct spelling and grammar
Sense of urgency
Not spammy sounding
Be interesting but not deceiving
These are just the basics, but by starting here, you.re on your way to a much better open rate and hopefully conversion rate.