Verification of sender identity to protect email integrity.
Implementing DMARC p=reject stops spoofing but often clashes with business workflows and new systems.
Forced DMARC subdomain records break standards, hide reports, and weaken customer email security visibility.
Mailchimp’s auto-DKIM setup may replace strict DMARC, exposing domains to spoofing and phishing attacks.
Namecheap’s TTL limit affects DKIM validation, risking spam filtering and degraded email deliverability.
Domain authentication alone doesn’t guarantee deliverability; security and compliance are critical for email success.
DKIM, SPF, and DMARC form the foundation for secure email delivery and prevent spoofing.