Available at suped.com/tester.
Send a test email to Suped's test address to analyze your email's authentication and deliverability.
How it works
- Go to the email tester page
- Copy the unique test email address shown on the page
- Send an email to that address from the system you want to test
- Suped analyzes the email and shows results
What's tested
Authentication
- SPF - pass or fail
- DKIM - pass or fail
- DMARC - pass or fail
Reputation
- Blocklist status - whether the sending IP appears on any blocklists
- TLS encryption - whether the email was sent over a secure connection
- Reverse DNS - whether the sending IP has valid reverse DNS
Content
- Email rendering preview - see how your email looks in HTML, plain text, and raw source
Deliverability score
Each test produces a deliverability score from 0 to 100% based on the checks above.
Shareable results
Every test gets a permanent shareable link. Send it to colleagues or clients to show your email authentication status.
