# email

5 articles

I Asked ChatGPT for 100 Email Subject Lines. Only 5 Were Worth Testing.
Marketing

I Asked ChatGPT for 100 Email Subject Lines. Only 5 Were Worth Testing.

Generate 100 subject lines with ChatGPT, filter them down to 5 with a 4-criterion rubric, then A/B/n test the finalists. The exact prompt, the 5 that made it through, and the test result — including the variant I would never have written on my own that beat my favorite by 19%.

Re-engagement flow for a dead list: 4 emails over 21 days
Marketing

Re-engagement flow for a dead list: 4 emails over 21 days

A practical 4-email, 21-day re-engagement sequence for cleaning an inactive email list, with exact send timing, copy, and the post-flow suppression step most teams skip — plus where AI helps and where it ruins the breakup email.

AI Send-Time Optimization When Your List Is Too Small for ML
Marketing

AI Send-Time Optimization When Your List Is Too Small for ML

Seventh Sense, Klaviyo Smart Send, and the other AI send-time tools all need thousands of engaged subscribers before they get useful. Here's what to do in the meantime — 5 practical methods that work on lists under 2,000, with the prompts and Excel formulas I use to find them.