Get your emails delivered

Authentication and Verification Mail Tester

Check if your emails are well authenticated and configured correctly to avoid:

Your emails might be landing in spam folder!
Highly possibility to be listed on different blacklists!
Your customers will not be getting information from you!
You may be losing sales and customers!
Getting banned by your email service provider!

How to use mail tester?

Send an email to [email protected] and you will receive a reply with complete email analysis within minutes!
This will include detailed information about SPF, DKIM, DMARC, DNS and RBLs.
Our newsletter detection engine will show you if your email will be detected as a newsletter/marketing email.

Redirect mail tester report

If you wish to receive the reply to a different address than the sender, for example, to receive the report to [email protected]
the test message should be sent to [email protected]

Any feedback is appreciated

The service allows email senders to perform a simple check of various sender authentication mechanisms including newsletter detection, DKIM and DMARC policies and blacklist checks against major RBLs. It's free of charge in order to be useful for the e-mail community.

Please send feedback to [email protected]

Email Authentication Tester

SPF checks.
DKIM checks.
DNS (iprev) checks.
RBLs checks.
Newsletter detection.
Non Standard SPF checks.

Keep the service free

Postmaster Guidelines

Postmaster Guidelines are resources published by different email service providers (AOL, MICORSOFT, GOOGLE, YAHOO, FACEBOOK, ETC) to help businesses to effectively communicate with the email accounts they service.