Your subject line decides whether an email is opened. Here are twenty-five that work, grouped by purpose. Adapt them to your business.
Welcome
- Welcome to [Business], here is your gift
- You are in! Here is what happens next
- [Name], thanks for joining us
Offers
- 20% off ends tonight
- Your festive offer is inside
- A little thank-you for being a customer
- Free delivery this weekend only
- Early access for subscribers
Useful content
- 3 mistakes to avoid when buying [product]
- How much should [service] cost?
- The monsoon checklist for your [home/car/skin]
- What our customers ask most
- A 2-minute guide to [topic]
Reminders
- Your appointment is tomorrow
- Your [service] is due this month
- Your cart is still waiting
- Last day to renew
Curiosity and stories
- We almost didn’t send this
- Why we changed our [product]
- A customer story that made our day
- Behind the scenes this week
Win-back
- We miss you, [Name]
- It has been a while: here is something new
- Should we stop emailing you?
- A welcome-back offer, just for you
Tips
- Keep it between 30 and 60 characters.
- Use the preview text to add to the subject.
- Be honest; misleading subjects hurt trust.
- Test two subjects and keep the winner.
Check any subject line with our subject line checker.
Want the full picture? This article is part of Email marketing: the complete guide, our in-depth guide with everything in one place.


