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email-best-practices

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

Updated Apr 7, 2026
Search Tags:#email#webhooks#idempotency#deliverability#spf#dkim#dmarc
One-click install
npx skills add https://github.com/rally19/goform --skill email-best-practices-rally19
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: email-best-practices
Source: https://github.com/rally19/goform/tree/main/.qwen/skills/email-best-practices
Command: npx skills add https://github.com/rally19/goform --skill email-best-practices-rally19

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Helps teams fix and prevent email delivery failures, reduce bounce and complaint rates, and meet regional legal requirements so messages reliably reach recipients and avoid penalties.

Core Features & Use Cases

  • DNS Authentication & Deliverability: Clear SPF, DKIM, and DMARC guidance, DNS record examples, verification commands, and rollout strategy to improve inbox placement.
  • Reliable Sending Infrastructure: Idempotency key strategies, retry and backoff patterns, queuing recommendations, and timeout controls to avoid duplicate or lost sends.
  • Webhook & List Management: Signature-verified webhook handling, idempotent event processing, suppression lists, bounce/complaint automation, and retention policies.
  • Compliance & Capture: Guidance for CAN-SPAM, GDPR, CASL, consent recording, unsubscribe requirements, and preference management.
  • Real-world use case: Plan and implement transactional email flows (verification, password reset, receipts) for a SaaS product including DNS setup, IP/domain warming, webhooks, and suppression rules.

Quick Start

Ask for a prioritized action plan to stop emails going to spam that includes exact SPF/DKIM/DMARC records, verification commands, immediate remediation steps, and recommended monitoring thresholds.

Frequently Asked Questions about email-best-practices

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

FAQPage Schema
How do I set up SPF, DKIM, and DMARC records to stop my emails going to spam?▼

To stop emails going to spam, configure SPF, DKIM, and DMARC DNS authentication records. This Skill provides exact record examples, verification commands, and a rollout strategy to improve inbox placement and ensure production email deliverability.

How do I implement idempotency keys and retry backoff for transactional email workflows?▼

For reliable transactional email workflows, implement idempotency key strategies and retry backoff patterns. This guidance includes queuing recommendations and timeout controls to prevent duplicate sends and avoid lost messages during infrastructure failures.

What is the best way to verify webhook signatures and handle email bounce events?▼

The best way to handle email bounce events is through signature-verified webhook processing and idempotent event handling. This approach includes automating suppression lists and bounce complaints to maintain list hygiene and protect sender reputation.

Does my email sending infrastructure need CAN-SPAM, GDPR, and CASL compliance for marketing campaigns?▼

Yes, marketing and transactional email systems need CAN-SPAM, GDPR, and CASL compliance. This guidance covers consent recording, unsubscribe requirements, preference management, and data retention policies to avoid legal exposure and regional penalties.

Why are my transactional emails failing to deliver despite correct DNS authentication setup?▼

Transactional email deliverability failures can occur due to missing suppression handling, improper IP warming, or aggressive retry timing. Use this guidance to audit bounce automation, backoff rules, and list hygiene to remediate sending issues.

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