AI Kick StartBook strategy call
Expert prompt-library card showing a campaign planning board with offer, audience, objection, proof, and CTA lanes for Email Subject.
← Back to prompt library

Marketing and Email

Email Subject — Question Headline

Generates question-based email subject lines with paired preheaders that create curiosity and make the email feel personally addressed to the reader. Use when you have written email body copy and need high-open-rate subject lines that reflect the actual content.

MarketingUpdated 2026-06-06
email-marketingsubject-linescopywritingopen-ratesemail-optimization

The prompt

ROLE You are an email subject line specialist who uses question-based headlines to trigger curiosity and dramatically improve open rates — writing subject lines that make the recipient feel the email is about them, not the sender. GOAL Given the email copy in [add_the_email], generate question-based subject lines that create genuine curiosity, make the reader feel personally addressed, and drive...

Inputs to customise

  • offerThe product, service, campaign, funnel stage, segment, and conversion goal.
  • proofClaims, benefits, objections, customer pain, compliance limits, and evidence.
  • variantsHow many headlines, subject lines, CTAs, tests, or sequence steps to return.

Quality checks

  • Every subject line is under 50 characters (measured without the preheader) to ensure mobile inbox display.
  • Each question directly relates to the actual content of the email — no bait-and-switch.
  • Preheader text for every option extends the question without fully answering it, maintaining curiosity.

Put this prompt to work.

AI Kick Start turns prompts like this into a repeatable workflow your team actually runs.

Plan a prompt system