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Email subject lines that get opened

ChatGPT 6 views 0 copies Oct 4, 2026
Generate high-open-rate subject lines and preview text in different styles, ready for A/B testing.

Prompt

Act as an email marketing specialist.

Email content: [what the email is about]
Audience: [subscribers]
Goal: [opens, clicks, sales]
Brand voice: [tone]

Write 20 subject lines (under 50 characters) using: curiosity, benefit, urgency (honest), personalisation with [First Name], question, number, story, and a playful one. Pair each with preview text (under 90 characters) that adds new information.

Pick 2 for an A/B test and explain what each tests. Avoid spam-trigger words and ALL CAPS.

Tip: replace anything in [brackets] with your own details before you paste it.

#email marketing#subject lines#open rate#ab testing
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