Email Campaigns — Universal Email Marketing

Write high-converting email campaigns for any business — newsletters, re-engagement sequences, B2B cold outreach, promotional emails, and automated drip campaigns. Includes subject line formulas, segmentation strategies, and deliverability best practices.

Email Campaigns — Universal Email Marketing System

What This Skill Does

Creates professional email campaigns that get opened, read, and acted on. For any business, any list size, any goal — from newsletters to B2B cold outreach to re-engagement campaigns.

How to Use This Skill

Input format:

text

BUSINESS NAME: [Your brand]
NICHE: [Your industry]
EMAIL TYPE: [Newsletter / Promotional / Re-engagement / Cold outreach / Welcome sequence]
AUDIENCE SEGMENT: [Active subscribers / Cold leads / Past customers / B2B prospects]
GOAL: [Open rate / Clicks / Purchases / Replies / Appointments]
TONE: [Professional / Casual / Warm / Urgent / Story-based]
LIST SIZE: [Approximate — small <500 / medium 500-5K / large 5K+]

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Subject Line Formulas

Subject line is 80% of your open rate. Test these formulas:

text

Curiosity: "The [TOPIC] mistake you're probably making"
Personalization: "[First name], quick question about [TOPIC]"
Urgency: "Last chance: [OFFER] ends tonight"
Benefit: "How to [achieve result] without [pain point]"
Story: "I almost gave up on [thing]. Then this happened."
Number: "7 [TOPIC] tips I wish I knew earlier"
Question: "Are you making this [NICHE] mistake?"
Direct: "[Action] before [date/time]"

Subject line generator prompt:

text

Write 10 email subject lines for [BUSINESS NAME] for an email about [TOPIC].
Audience: [AUDIENCE SEGMENT]. Goal: [GOAL].
Mix: 3 curiosity, 2 benefit, 2 urgency, 2 question, 1 story.
Keep each under 50 characters for mobile. No clickbait — must match email content.

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Email Types & Templates

1. Weekly Newsletter

text

SUBJECT: [Subject line formula]

Hi [First Name],

[OPENING — 1-2 sentences: a timely observation, personal note, or question]

[MAIN CONTENT SECTION]
This week I want to share [topic]:

[2-3 paragraphs of genuine value — insight, tip, or story]

[SECONDARY SECTION — optional]
Also this week: [brief mention of another useful resource or news]

[CTA]
[Single, clear action: read full article / book a call / reply with X]

[SIGN-OFF]
[Your name]
[Your title + company]

P.S. [One more insight or soft CTA — P.S. lines get high readership]

Newsletter prompt:

text

Write a weekly newsletter for [BUSINESS NAME] in [NICHE].
Topic: [MAIN TOPIC]
Opening: personal/relatable (2 sentences)
Main value: [3 paragraphs of insight or advice]
CTA: [desired action]
Tone: [TONE]. Max 400 words. P.S. line with soft CTA.
Subject line: [3 options using different formulas]

2. Re-engagement Campaign (Dormant Subscribers)

text

EMAIL 1 — Subject: "We miss you, [First Name]"
[Acknowledge the time apart]
[Remind them of the value they signed up for]
[Give them a reason to re-engage — exclusive content or offer]
CTA: [Stay subscribed / Check this out]

EMAIL 2 (3 days later) — Subject: "Is this still useful for you?"
[Direct question — are they still interested?]
[What's changed/improved since they subscribed]
CTA: [Click if you want to stay / Unsubscribe if not]

EMAIL 3 (3 days later) — Subject: "Last email from us"
[Respect their time — this is the last one if they don't engage]
[One final compelling reason to stay]
CTA: [Keep me subscribed / Remove me from the list]

3. B2B Cold Outreach

text

SUBJECT: [Specific, not generic — reference their company or role]

Hi [Name],

[OPENER — mention something specific about them: their content, their company, a mutual connection]

[BRIDGE — why you're reaching out and how it's relevant to them specifically]

[VALUE PROP — 1-2 sentences: what you do + the specific result for their type of business]

[SOCIAL PROOF — brief: "I've helped [type of company] achieve [result]"]

[SOFT CTA — make it easy to say yes]
Would it make sense to have a quick 15-minute call to see if there's a fit?

[SIGN-OFF]
[Name]
[Title + Company]

P.S. [Optional: relevant case study or resource link]

B2B outreach prompt:

text

Write a cold outreach email for [YOUR COMPANY] to [TARGET: job title at company type].
Problem you solve: [specific problem for them]
Your solution: [brief description]
Proof point: [result you've achieved for similar companies]
Tone: Direct, respectful, not salesy. Max 150 words.
Generate 3 subject line options.

4. Promotional Email

text

SUBJECT: [Benefit + urgency]

Hi [First Name],

[HOOK — start with a story or relatable situation, NOT "I'm excited to announce"]

[PROBLEM — the specific challenge your offer solves]

[OFFER INTRODUCTION — present it as the natural solution]

[WHAT'S INCLUDED — bullet points, keep it brief]

[SOCIAL PROOF — testimonial or result]

[URGENCY/SCARCITY — deadline, limited spots, or bonus]

[CTA BUTTON — clear, action-oriented]
[Button text: "Get instant access" / "Book my spot" / "Claim the offer"]

[OBJECTION HANDLING — 1-2 sentences addressing the main hesitation]

[REPEAT CTA]

[Sign-off]

5. Welcome Sequence (New Subscriber, 5 Emails)

text

Email 1 (Immediately): Deliver the promise — welcome + lead magnet/first value
Email 2 (Day 2): Your story — why you do what you do
Email 3 (Day 4): Your best free content — most valuable thing you've shared
Email 4 (Day 6): Social proof — a client result or your own transformation
Email 5 (Day 8): Soft offer — introduce your product/service naturally

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Segmentation Strategy

Segment your list for higher relevance:

Segment	Definition	Content Focus
Active	Opened last 90 days	Full content, promotions
Warm	Opened 91-180 days	Re-engagement value emails
Cold	No opens 180+ days	Win-back sequence
Buyers	Made a purchase	Upsell, loyalty content
Leads	Signed up, never bought	Educational → conversion journey
VIP	High engagement or spend	Exclusive early access, personal note

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Email Deliverability Checklist

• Verified domain authentication (SPF, DKIM, DMARC)
• Clean list — remove invalid addresses quarterly
• Unsubscribe link always present (legal requirement)
• No spam trigger words in subject: "Free", "Guaranteed", "!!!", "ACT NOW"
• Plain text version created alongside HTML
• Test email sent to yourself before every campaign
• Mobile preview checked (60%+ open on mobile)
• Image-to-text ratio balanced (not image-only emails)

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Performance Benchmarks by Industry

Metric	Low	Average	Good	Excellent
Open Rate	<15%	20-25%	30-35%	40%+
Click Rate	<1%	2-3%	4-6%	8%+
Unsubscribe	>0.5%	0.2-0.5%	<0.2%	<0.1%

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Use with ContentAI Suite

This skill works seamlessly with ContentAI Suite — a free multi-agent marketing platform that generates professional content for any business in minutes.

→ Try it free: https://contentai-suite.vercel.app