Email Authentication Checker

Instant check of SPF, DKIM, DMARC and blacklist status — then get a full fix guide based on your provider.

Get your full fix guide

Enter your details and we'll show the complete diagnosis with step-by-step fix instructions tailored to your provider.

Need help fixing this?

Our team can set up SPF, DKIM and DMARC for you — correctly, in one session.

We'll go through your full DNS setup and fix everything together.