Email Deliverability

Email deliverability is how likely your messages are to reach the inbox rather than spam or a bounce. This tool combines authentication, reverse DNS, TLS, and blocklist results into one score for a domain.

When to use this: You want a quick read on whether a domain’s mail setup will help or hurt inbox placement.

Example:

About the Email Deliverability

A one-shot deliverability score for a domain: authentication, reverse DNS, TLS and blacklist status combined.

FAQ

Does a perfect score guarantee the inbox?
No. Content, engagement and sending reputation matter too; this covers the technical foundations.
How do I test a real message?
Use the live mail test to send a message and see how it authenticates.