How To Write Effective Subject Lines For Email. 115+ catchy email subject lines (examples) emails are a good way to pass important messages across, but they are only effective if the recipients open them. Instead, give a hint into the content of your message.

This makes your email feel unfamiliar, unapproachable, and less personable. By asking a question in a subject line you will pique the curiosity of the reader and he’ll want to know more. Instead, give a hint into the content of your message.