Welcome — let’s check your email setup
We’ll check your authentication setup, DNS records, and blocklist reputation. Where would you like to start?
No account needed. Results ready in ~30 seconds.
Send from each of your platforms
Send an email to the address below from every platform you use. We’ll detect which platform it came from and check DKIM and SPF live, as each one arrives.
Which platforms to test from
Your mailbox
Google Workspace
Microsoft 365 / Outlook
Email marketing
ActiveCampaign, HubSpot
Mailchimp, Klaviyo
Keap, Brevo…
Transactional
SendGrid, Mailgun
Postmark, Amazon SES
Other
CRM automations
Any other tool you send from
Send a test email from each platform to:
We received emails from more than one domain
Choose the domain you’d like to scan. Any emails sent from other domains will be excluded.
Sent emails from all your platforms?
We’ll scan your domain to check SPF, DMARC, and blocklist reputation too — completing the full picture.
Which domain are you checking?
Enter the domain your emails are sent from. We'll scan it right away. No account needed.
Results ready in ~30 seconds. We check DKIM, SPF, DMARC, and 83 blocklists in parallel.
See what's sending on your behalf
We scan your domain and show every service sending mail as you. No account needed, no technical background required.
Check you're not on a blocklist
We test your domain and IPs against 83 blocklists at once. If one's hurting your delivery, you'll see it right away.
Spot the gaps in SPF and DMARC
We check your SPF record for errors and read your DMARC policy. You'll see plainly what's protected and what isn't.
Check DKIM per platform
We look at each platform you send from and check whether DKIM is set up correctly, so you know exactly where you stand.