email-best-practices

Configure SPF, DKIM, and DMARC records for email deliverability.

417|7|Updated Jan 12, 2026
One-click install
npx skills add https://github.com/Asymmetric-al/core --skill email-best-practices-asymmetric-al
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: email-best-practices
Source: https://github.com/Asymmetric-al/core/tree/main/.cursor/skills/email-best-practices
Command: npx skills add https://github.com/Asymmetric-al/core --skill email-best-practices-asymmetric-al

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you build reliable, compliant, and user-friendly email features, preventing emails from going to spam, reducing bounce rates, and ensuring legal adherence.

Core Features & Use Cases

  • Deliverability: Set up SPF, DKIM, DMARC to fix spam issues.
  • Compliance: Ensure adherence to CAN-SPAM, GDPR, CASL regulations.
  • Reliability: Implement retry logic and handle webhooks for delivery events.
  • Use Case: You're launching a new marketing newsletter and need to ensure it reaches inboxes, complies with GDPR, and handles unsubscribes correctly.

Quick Start

Use the email-best-practices skill to set up SPF, DKIM, and DMARC records for your sending domain.

Frequently Asked Questions about email-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I stop my transactional emails from going to spam?

Email deliverability issues caused by missing SPF, DKIM, and DMARC records allow spam filters to flag your messages. This Skill provides comprehensive guidance on setting up these authentication protocols on your sending domain to ensure transactional and marketing emails reliably reach user inboxes.

What's the best way to ensure my marketing newsletter complies with GDPR and CAN-SPAM?

The best way to ensure marketing newsletter compliance is by adhering to CAN-SPAM, GDPR, and CASL regulations. This Skill provides detailed reference documents on compliance laws, email capture methods, and unsubscribe handling to keep your marketing campaigns legally compliant and user-friendly.

How do I handle email bounce rates and webhook delivery events?

To handle email bounce rates and webhook delivery events, implement retry logic and webhook handling for delivery status tracking. This Skill addresses high bounce rates and provides sending reliability patterns to manage failed email delivery attempts effectively within your application.

Do I need to set up DMARC for both transactional and marketing emails?

Yes, you need to set up DMARC for both transactional and marketing emails to verify sending reliability and prevent spoofing. This Skill covers SPF, DKIM, and DMARC authentication configurations required across all outbound email types to maintain deliverability and compliance.

Why are my transactional emails failing spam filtering after setting up SPF and DKIM?

Transactional emails may fail spam filtering if your DMARC policy is missing or your list management and sending reliability patterns are misconfigured. This Skill provides deliverability checks and retry logic guidance to resolve authentication gaps and improve inbox placement.