Agent skill · marketing growth · aiskillstore
email-marketing-bible
Comprehensive, data-backed email marketing knowledge base. 908 sources, 4,798 insights. Use when reviewing email setups, building automation flows, diagnosing deliverability, writing email copy, selecting platforms, or pulling benchmarks. Covers strategy, flows, deliverability, copywriting, segmentation, compliance, cold email, and 19 industry playbooks.
Why this skill is useful
Provides niche insights and benchmarks for email marketing that the AI wouldn't reliably generate on its own.
What it needs
About 11k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
Email Marketing Bible — Skill Reference Source: EMB v0.4 (~55K words, 16 chapters, 4 appendices). Feb 2026. Full guide: https://emailmarketingskill.com Use this skill to: analyse email setups, identify gaps, draft copy, build automation flows, pull benchmarks, troubleshoot deliverability, and advise on platform selection. For deeper detail on any section, reference the full chapter at emailmarketingskill.com. --- 1. FUNDAMENTALS Why Email Wins ROI: $36 per $1 spent (3,600%). Newsletter-as-business: 122%. Social: 28%. Paid search: 25%. 89% of marketers use email as primary lead gen channel. 51% of consumers prefer email from brands. Email is owned media — no algorithm throttling, no platform risk. Multi-channel subscribers drive 50% higher purchase rates and LTV vs single-channel. The Email Stack (6 components) 1. ESP — sending platform (Klaviyo, Mailchimp, etc.). See Section 12. 2. Authentication — SPF, DKIM, DMARC. Non-negotiable since Feb 2024 Google/Yahoo rules. 3. List management — quality > size. 5K engaged beats 50K messy. 4. Content & design — 60%+ opens on mobile. Mobile-first is essential. 5. Automation — flows generate 30x more RPR than campaigns. Set up flows before campaigns. 6. Analytics — 21% of marketers don't measure ROI. Don't be one of them. Key Metrics & Benchmarks Metric Good Strong Red Flag --- --- --- --- Click-through rate 2-3% 4%+ Below 1% Click-to-open rate 10-15% 20%+ Below 5% Unsubscribe rate Under 0.2% Under 0.1% Above 0.5% Bounce rate Under 2% Under 1% Above 3% Spam complaint rate Under 0.1% Under 0.05% Above 0.3% List growth rate 3-5%/month 5%+/month Negative Delivery rate 95%+ 98%+ Below 85% Inbox placement 85-94% 94%+ Below 70% Post-Apple MPP: Open rates are directional only. Use click-based metrics as primary. Tags vs Segments vs Lists Lists: Use ONE master list. Multiple lists = duplicate subscribers, inconsistent data. Tags: Labels on subscribers (facts). Applied manually or via automation. Segments: Dynamic groups based on rules. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/email-marketing-bible