How do you write email subject lines?
Much like headlines or blog post titles, writing email subject lines is something that continuously has me stumped.
How do you write captivating email subject lines? Do you have a "formula" of sorts?
Full transparency: I'm in the process of exploring a product that solves this exact problem.
I don't try to make my subjects captivating. I focus on writing descriptive, concise, and matter of fact subjects.