Blog/Newsletter Content Prompts
Email MarketingNewsletters
10 min read

Newsletter Prompts: Email Content & Subject Line Templates

AI prompts for writing newsletters that get opened, read, and clicked. From subject lines to CTAs, create emails that convert.

What You'll Get
  • Subject Lines — High-open-rate formulas that cut through inbox noise
  • Content Templates — Weekly digest, product updates, educational series
  • Engagement Hooks — Opens, clicks, replies, and shares
  • Subscriber Growth — Welcome sequences, re-engagement campaigns

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Subject Line Prompts

Get your emails opened with irresistible subject lines

Subject Line Generator
Subject Lines
Generate high-converting subject lines
Generate 10 subject lines for this email:

EMAIL TOPIC: [MAIN TOPIC/ANNOUNCEMENT]
EMAIL TYPE: [Newsletter/Promo/Update/Welcome]
AUDIENCE: [WHO RECEIVES IT]
KEY BENEFIT: [WHAT THEY'LL GET]

Generate subject lines using these formulas:
1. Curiosity gap (creates intrigue)
2. Number/list (specific, scannable)
3. Question (engages directly)
4. Urgency (time-sensitive)
5. Personal (uses "you" or name)
6. Benefit-first (leads with value)
7. Contrarian (challenges assumption)
8. Story teaser (narrative hook)
9. Social proof (others are doing it)
10. Simple/direct (just says it)

For each subject line:
- Keep under 50 characters (mobile-friendly)
- Include preview text suggestion
- Note which formula it uses
- Rate estimated open rate impact (1-5)

Avoid:
- ALL CAPS
- Excessive punctuation!!!
- Spam trigger words
- Clickbait that doesn't deliver
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A/B Test Subject Lines
Testing
Create test variations for optimization
Create A/B test subject line variations:

ORIGINAL SUBJECT: [YOUR CURRENT SUBJECT LINE]
EMAIL GOAL: [WHAT YOU WANT READERS TO DO]
PAST WINNERS: [SUBJECT LINES THAT WORKED BEFORE]

Generate:
1. Control (slight improvement on original)
2. Variation A (different approach)
3. Variation B (opposite approach)

For each variation:
- Subject line
- Preview text
- Hypothesis (why it might win)
- What it tests (curiosity vs clarity, etc.)

Test ideas:
- Emoji vs no emoji
- Short vs medium length
- Question vs statement
- Personal vs general
- Benefit vs feature
- Urgency vs evergreen

Provide:
- Recommended sample size
- Test duration suggestion
- Statistical significance threshold
- How to apply learnings
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Newsletter Content Prompts

Write newsletters people actually want to read

Weekly Newsletter Template
Content
Structure for engaging weekly updates
Write a weekly newsletter for:

NEWSLETTER NAME: [NAME]
NICHE/TOPIC: [WHAT YOU COVER]
AUDIENCE: [WHO READS IT]
BRAND VOICE: [TONE: Casual/Professional/Witty]

THIS WEEK'S CONTENT:
- Main story: [TOPIC]
- Secondary items: [2-3 QUICK HITS]
- Resource/Tool: [SOMETHING USEFUL]

Generate:
1. Opening hook (2-3 sentences, personal/timely)
2. Main story section:
   - Engaging headline
   - Key insight (not just news, add perspective)
   - Why it matters to reader
   - Actionable takeaway
3. Quick hits section (3 items, 1-2 sentences each)
4. Resource spotlight (tool, article, or tip)
5. Closing CTA (reply, share, or click)

Format for:
- Mobile reading (short paragraphs)
- Scanability (headers, bullets)
- 500-800 words total
- 3-5 minute read time

Include placeholder for:
- Personal anecdote
- Reader question/feedback
- Upcoming content tease
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Product Update Email
Content
Announce features without boring readers
Write a product update email:

PRODUCT: [PRODUCT NAME]
NEW FEATURES:
1. [FEATURE 1]: [WHAT IT DOES]
2. [FEATURE 2]: [WHAT IT DOES]
3. [FEATURE 3]: [WHAT IT DOES]

USER BENEFIT: [HOW IT HELPS THEM]
AUDIENCE: [FREE/PAID/ALL USERS]

Write an email that:
1. Opens with user benefit (not "We're excited to announce...")
2. Shows, doesn't just tell (use examples)
3. Explains each feature in 2-3 sentences
4. Includes visual placeholders [IMAGE: description]
5. Has clear CTA to try features

Structure:
- Subject line options (3)
- Preview text
- Hero section (main benefit)
- Feature breakdown (scannable)
- How to get started
- Feedback request
- PS with bonus tip

Tone: Helpful, not salesy
Length: 300-400 words
Include: GIF/screenshot suggestions
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Educational Email Series
Series
Create a nurture sequence that teaches
Design an educational email series:

TOPIC: [WHAT YOU'RE TEACHING]
AUDIENCE: [SKILL LEVEL: Beginner/Intermediate]
GOAL: [WHAT THEY'LL ACHIEVE]
LENGTH: [5-7 EMAILS]

For each email in the series:
1. Email subject line
2. Main teaching point
3. Content outline (key sections)
4. Actionable exercise or takeaway
5. Teaser for next email
6. CTA (primary and secondary)

Email sequence structure:
Email 1: Welcome + quick win (build confidence)
Email 2: Foundation concept
Email 3: Common mistake + fix
Email 4: Advanced technique
Email 5: Case study/example
Email 6: Troubleshooting FAQ
Email 7: Next steps + offer

Timing:
- Recommend send schedule
- Delay between emails
- Best days/times for this audience

Include:
- Reply prompts (increase engagement)
- Segmentation triggers
- Drop-off prevention tactics
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Engagement & Growth Prompts

Grow your list and keep subscribers engaged

Welcome Sequence Generator
Sequences
First impressions that convert
Create a welcome email sequence:

NEWSLETTER/PRODUCT: [NAME]
NEW SUBSCRIBER SOURCE: [HOW THEY SIGNED UP]
MAIN VALUE PROP: [WHY THEY SUBSCRIBED]
GOAL: [WHAT YOU WANT THEM TO DO]

Design 5-email welcome sequence:

Email 1 (Immediate):
- Deliver promised lead magnet/value
- Set expectations (frequency, content)
- One quick action to take

Email 2 (Day 2):
- Best/most popular content
- Build credibility
- Encourage reply

Email 3 (Day 4):
- Deeper dive into one topic
- Social proof (testimonials, numbers)
- Share your story

Email 4 (Day 7):
- Address common objection/question
- Soft pitch if applicable
- Community invitation

Email 5 (Day 10):
- Feedback request
- Preference center
- What's coming next

For each email include:
- Subject line
- First paragraph
- Key CTA
- Word count target
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Re-engagement Campaign
Win-Back
Win back inactive subscribers
Create a re-engagement campaign for:

NEWSLETTER: [NAME]
INACTIVE DEFINITION: [NO OPENS IN X DAYS]
TYPICAL CONTENT: [WHAT YOU SEND]
LAST BEST CONTENT: [TOP PERFORMING PIECE]

Design 3-email win-back sequence:

Email 1: "We miss you"
- Acknowledge absence (not guilt trip)
- Highlight what they're missing
- Easy re-engagement action
- Subject: Create curiosity

Email 2: "Your best stuff"
- Curate top 3 pieces since they left
- Make it easy to catch up
- Ask if content is still relevant
- Subject: Value-focused

Email 3: "Should we part ways?"
- Give option to unsubscribe
- Explain what happens if no action
- One last value bomb
- Subject: Direct, respectful

Include:
- Timing between emails
- Segmentation after sequence
- Clean list criteria
- Win-back metrics to track

Tone: Respectful, not desperate
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