Email Authentication Health Check
Check your email authentication configuration status. Tap each protocol to mark it as configured or not configured.
Authentication Status
Tap each item to mark it as configured (green), not configured (red), or unknown (grey) for your sending domain.
Authentication Health Check: What It Is and Why It Matters
Email authentication is the foundation of deliverability. SPF specifies which servers can send from your domain. DKIM provides a cryptographic signature that verifies email integrity. DMARC tells receiving servers how to handle messages that fail authentication. Most major mailbox providers require all three for reliable inbox placement.