Email is a very prominent means of communication in the business environment. Today, emails are sent, received and circulated in bulk rather than face-to-face conversation. In this generation, youths want to know everything, explore everything, and want to be a part of everything which is new. Email marketing companies exploit the same thing for reaching out the masses in the form of emails.
The email should have appealing subject line. It takes few seconds for users to decide whether they want to open the email or simply delete it. Hence, the subject line should be able to talk aloud about itself.
Make sure that the email is reaching to the person who has interest in the kind of product you deliver. For example, if you find a book enthusiast, and make a subject line which triggers the creative zest of the reader, then there will be no other option but to open the email and find out more about it.