Who it is from. Keep the “from” line in your email the same throughout the course. You are building trust, so it is important that the sender of the email remain the same Plus, if readers have whitelisted your email address, or directed your email into their primary Gmail tab, changing the address could hurt you. Choosing a person instead of an app or a blog name is best if you can; it is easy to ignore email from an entity and less so from a “real” person.
"Before I came across Rapid List Building I was shooting blindly in the dark, just hoping and praying that what I was doing would work. Now I have a road map to grow my list. No more hoping, guessing, and wasting time. I finally feel confident and in control. And the best part...I'm now adding 100+ new subscribers to my email list every day. I'm on track to double my revenue this year."