Circulos AI

Marketing AI Skill

Email Marketing Automation

Design and execute email marketing campaigns including transactional emails, marketing emails, automation workflows, A/B testing, deliverability optimization, and performance analytics. Use when creating email campaigns, building automation workflows, optimizing email deliverability, conducting A/B tests, or analyzing email performance. Triggers on phrases like "email marketing", "email automation", "email campaign", "drip campaign", "transactional email", "email deliverability", "open rate", "click rate", "A/B testing", "email template", "email segmentation", "email workflow", "nurture sequence", "welcome series", "abandoned cart", "re-engagement", "ESP", "Mailchimp", "HubSpot", "Marketo", "SendGrid".

Email Marketing Automation

Design and execute email marketing campaigns including automation workflows, deliverability optimization, A/B testing, and performance analytics.

Workflow

1. Email Strategy & Architecture

EMAIL MARKETING ARCHITECTURE
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Email Types:
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Type                  Trigger                    Frequency        Purpose
───────────────────────────────────────────────────────────────────────────────
Welcome Series        New signup                 5 emails, 10 days Activate, onboard, educate
Nurture               Lead score behavior        8 emails, 30 days Educate, build trust
Product Update        Feature release            As needed         Engage, reduce churn
Abandoned Cart        Cart abandonment           3 emails, 48 hours Recover revenue
Re-engagement         Inactive 60+ days          3 emails, 21 days Win back or suppress
Promotional           Campaign launch            Campaign-based    Drive conversion
Transactional         Order, password reset       Event-driven     Notify, confirm
Behavioral            In-app behavior            As triggered      Contextual, timely

ESP SETUP (Mailchimp / HubSpot / SendGrid):
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  Domain Setup:
    → Sending domain: [email protected] (dedicated)
    → SPF: v=spf1 include:sendgrid.net ~all
    → DKIM: CNAME record added
    → DMARC: p=none → p=quarantine → p=reject
    → BIMI: Brand logo in inbox

  List Segmentation:
    → By lifecycle stage: Lead → MQL → SQL → Customer → Advocate
    → By behavior: Active (30d), Inactive (60d), Churned (90d)
    → By persona: SMB, Mid-Market, Enterprise
    → By product: Product A, Product B, Both
    → By engagement: High, Medium, Low

2. Automation Workflows

WELCOME SERIES (5 emails, 10 days)
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Email 1: Day 0 — Welcome + Value Proposition
  → Subject: "Welcome to [Company]! Let's get you started"
  → Content: Welcome message, key benefits, CTA (setup account)
  → Trigger: Immediate (upon signup)

Email 2: Day 2 — Getting Started Guide
  → Subject: "Your getting started guide is here"
  → Content: Step-by-step tutorial, video embed, CTA (complete setup)
  → Trigger: 2 days after signup OR after Email 1 opened

Email 3: Day 4 — Feature Spotlight
  → Subject: "Did you know you can [key feature]?"
  → Content: Feature deep-dive, use case, CTA (try feature)
  → Trigger: 4 days after signup OR after Email 2 opened

Email 4: Day 7 — Social Proof
  → Subject: "See how [Customer] achieved [result]"
  → Content: Case study summary, testimonial, CTA (read full story)
  → Trigger: 7 days after signup

Email 5: Day 10 — Call to Action
  → Subject: "Ready to unlock [result]?"
  → Content: Recap, offer (discount/trial extension), CTA (upgrade)
  → Trigger: 10 days after signup

ABANDONED CART FLOW (3 emails, 48 hours):
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Email 1: 1 hour after abandonment
  → Subject: "You left something behind 🛒"
  → Content: Cart items, image, CTA (complete purchase)

Email 2: 12 hours after abandonment
  → Subject: "Still thinking about it? Here's what others say"
  → Content: Reviews, ratings, CTA (complete purchase)

Email 3: 48 hours after abandonment
  → Subject: "Last chance — 10% off your cart"
  → Content: Discount code, countdown timer, CTA (complete purchase)

RE-ENGAGEMENT FLOW (3 emails, 21 days):
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Email 1: Day 60 (inactive)
  → Subject: "We miss you — here's what's new"
  → Content: New features, updates, CTA (explore)

Email 2: Day 75
  → Subject: "Is everything okay?"
  → Content: Feedback survey, support offer, CTA (respond)

Email 3: Day 81 (final)
  → Subject: "Should we part ways?"
  → Content: Unsubscribe option, feedback, special offer (if they stay)
  → If no engagement: Move to suppression list

3. Email Templates & Best Practices

EMAIL TEMPLATE STRUCTURE
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Header:
  → Logo (left-aligned)
  → Preheader text (preview, <100 chars)
  → Clear from name: "John at Company" (not just "Company")

Body:
  → Hero section: Image + headline (or headline only)
  → Body copy: Conversational, scannable
  → Primary CTA: Button (high contrast, clear text)
  → Secondary content: Bullets, benefits, social proof
  → Footer: Social links, preferences, unsubscribe

CTA Best Practices:
  → One primary CTA per email
  → Action-oriented text: "Start your free trial" (not "Click here")
  → Button size: Minimum 44x44px (mobile-friendly)
  → Button color: High contrast with background
  → Placement: Above the fold + mid-content + bottom

DESIGN BEST PRACTICES:
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  → Single-column layout (mobile-first)
  → Font size: 16px minimum (body), 24px+ (headline)
  → Line height: 1.5x (readability)
  → Images: Optimized (<100KB), alt text, max 2-3 per email
  → Links: Blue, underlined (or button)
  → White space: Generous margins, padding
  → Length: 200-300 words (optimal), max 500

4. Deliverability Optimization

EMAIL DELIVERABILITY
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Deliverability Metrics:
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Metric              Target        Current      Status
───────────────────────────────────────────────────────────────
Inbox rate          ≥ 95%         96.2%        ✓ Good
Bounce rate         ≤ 2%          1.5%         ✓ Good
Spam complaint      ≤ 0.1%        0.05%        ✓ Good
Unsubscribe rate    ≤ 0.5%        0.3%         ✓ Good
Open rate           ≥ 20%         22.5%        ✓ Good
Click rate          ≥ 3%          3.8%         ✓ Good
Spam trap hits      = 0%          0%           ✓ Good

DELIVERABILITY CHECKLIST:
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Technical:
  → SPF record configured ✓
  → DKIM signed ✓
  → DMARC policy set (p=quarantine) ✓
  → Reverse DNS (PTR) record ✓
  → TLS encryption ✓
  → Dedicated IP (volume > 10K/day) ✓
  → Warm-up IP (gradual volume increase) ✓

List Hygiene:
  → Double opt-in (confirmed subscribers) ✓
  → Regular list cleaning (remove bouncers) ✓
  → Unsubscribe process (one-click) ✓
  → Preference center (frequency, topics) ✓
  → Suppress spam complainers ✓
  → Re-engagement before suppression ✓

Content:
  → Avoid spam triggers (FREE, BUY NOW, !!!) ✓
  → Personalization (first name, relevant content) ✓
  → Text-to-image ratio: 60:40 ✓
  → Clear from name and reply-to ✓
  → Physical address in footer ✓
  → Unsubscribe link visible ✓

5. A/B Testing & Analytics

A/B TESTING FRAMEWORK
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Test Variables:
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Variable            Test A          Test B           Metric          Significance
───────────────────────────────────────────────────────────────────────────────
Subject line        Question        Statement        Open rate       ≥ 95%
Send time           9 AM            2 PM             Open rate       ≥ 95%
CTA text            "Get Started"   "Start Free"     Click rate      ≥ 95%
CTA color           Blue            Green            Click rate      ≥ 95%
Image vs no image   Hero image      Text only        Click rate      ≥ 95%
Personalized        First name      No name          Open + click    ≥ 95%
Length              Short (150w)    Long (400w)      Read time       ≥ 95%
Sender name         "John"          "Company"        Open rate       ≥ 95%

TESTING METHODOLOGY:
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  → Sample size: Minimum 1,000 per variant
  → Duration: Until statistical significance (95%)
  → One variable at a time (isolated)
  → Split: 50/50 (equal split)
  → Winner: Applied to remaining sends (holdout)
  → Document: Results in testing log

  Results Tracker:
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  Test #    Variable        Winner        Improvement   Sample     Applied
  ───────────────────────────────────────────────────────────────────────────────
  001       Subject line    Question      +12% open     5,000      Yes
  002       CTA text        "Start Free"  +8% click     3,000      Yes
  003       Send time       9 AM          +5% open      4,000      Yes
  004       Image vs text   Text only     +3% click     3,500      Yes
  005       Personalization Name          +7% open      6,000      Yes

EMAIL PERFORMANCE REPORT:
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  Campaign: October Newsletter
  Sent: 45,000
  Delivered: 43,875 (97.5%)
  Opened: 9,871 (22.5%)
  Clicked: 1,667 (3.8%)
  Unsubscribed: 135 (0.3%)
  Bounced: 675 (1.5%)
  Spam complaints: 22 (0.05%)
  Revenue attributed: $12,450

Edge Cases

Integration Points

Output

Email Marketing Status

EMAIL MARKETING — Q4 2024
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Total subscribers: 125,000 (active: 98%)
Monthly sends: 18 (4 newsletters, 8 promotional, 6 automated)
Open rate: 22.5% (industry avg: 18%) ✓
Click rate: 3.8% (industry avg: 2.6%) ✓
Deliverability: 96.2% (target: ≥95%) ✓
Automation workflows: 5 active (welcome, nurture, cart, re-engage, update)
Revenue attributed: $156,000 (last 90 days)
A/B tests completed: 5 (all applied)
Next priority: Launch product update flow, optimize send times

Disclaimer: All rights reserved by Circulos AI. These skills are specifically designed for Claude Code, Claude Cowork, Codex, and OpenClaw. When using or referencing any skill, please provide proper attribution to Circulos AI.