email-best-practices

Resend's deliverability playbook: SPF/DKIM/DMARC, spam avoidance, bounce handling, and CAN-SPAM/GDPR/CASL compliance.

Score 0(?)VerifiedCodeby ResendSource
Verified for:

Install

$ npx skills add resend/resend-skills

Select "email-best-practices" when prompted

Best for

Diagnosing deliverability problems and setting up authentication, compliance, and accessible markup before email goes to production.

Not ideal for

Writing the campaign copy itself — pair it with a copywriting skill like email-sequence for the words.

About this skill

Use when emails go to spam, bounce rates are high, or you are setting up SPF/DKIM/DMARC, email capture, compliance (CAN-SPAM, GDPR, CASL), webhook retry logic, accessible email markup, or deciding transactional vs marketing.

EmailDeliverabilitySPF/DKIM/DMARC

Score breakdown

Score breakdown

rubric 1.0
Install count
0/20
Provenance
12.8/15
GitHub stars
6/15
Recency
8.5/10
Compatibility
6/10
Documentation depth
10/10
Install ergonomics
10/10
License
5/5
Verification freshness
5/5

Composite 0–100 score derived from 9 verifiable signals. See the rubric →

Resend's own API skill: send transactional and batch email, handle inbound webhooks, and manage domains, templates, and keys.

ResendEmailTransactional
Code

Build cross-client HTML emails as React components, with a visual editor and Resend-ready rendering.

React EmailTemplatesTransactional
Code

Give an agent a webhook-driven inbox with the sender-allowlist and content-filtering patterns that block prompt injection from inbound email.

Inbound EmailAgent SecurityWebhooks
Code

Skill FAQ

About email-best-practices

What is the email-best-practices skill?

Use when emails go to spam, bounce rates are high, or you are setting up SPF/DKIM/DMARC, email capture, compliance (CAN-SPAM, GDPR, CASL), webhook retry logic, accessible email markup, or deciding transactional vs marketing.

Which agents does email-best-practices work with?

Claude Code, Cursor, Codex CLI.

How do I install email-best-practices?

Run `npx skills add resend/resend-skills` for Claude Code. See the install panel for per-agent commands.

Is email-best-practices free to use?

Yes — email-best-practices is open source (MIT).

Who maintains email-best-practices?

email-best-practices is published by Resend and was last updated on 2026-05-28.

What is email-best-practices best for?

Diagnosing deliverability problems and setting up authentication, compliance, and accessible markup before email goes to production.