Subject Line & Preheader Options:
- SL1: [Fname, ]Are You Still There?
- SL2: Hello? Are You Still There[, Fname]?
- SL3: We're still here. Are you?
- SL4: Please Open Me
- SL5: We have a question for you[, Fname]
- SL6: Want to Make Us Smile?
- SL7: Re: Your Email Address