Entregabilidade de E-mails

Ferramentas de testes

• https://mxtoolbox.com/emailhealth
• https://www.mail-tester.com/
• https://www.emaillistverify.com/dns-health-checker
• https://dnschecker.org/domain-health-checker.php

SPF

• What is SPF?
• Mailgun: The basics of SPF records

DKIM

• What is DKIM?
• Mailgun: Understanding DKIM: How it works and why it’s necessary

DMARC

• What is DMARC?
• Increase security for forged spam with DMARC - o mais completo
• Mailgun: Implementing DMARC: A step-by-step
• Subdomains: How DMARC Works With Subdomains?