You can use our Email Authentication Checker to ensure that you have valid SPF, DKIM and DMARC records set up for your outgoing emails. Testing that these records are valid and working correctly will ensure that your emails have the best chance of arriving in the recipient's inbox and are not being filtered out by anti-spam solutions due to failing these checks.

This tool is simple to use, you will just need to enter your sender email below and follow the instructions to send an email to the given address with the subject shown.

The email you provide is only used for the purposes of this tool and will be automatically deleted from our system after 10 minutes.

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