Email Domain Authentication: How To Authenticate Email Sender Domain?

Last Updated: Apr 08 2019 11:43 am UTC

Email authentication is needed to verify the identity of the email sender in order to confirm that the sent email comes from the right source - the one which is listed as the sender.

Setting up Domain Authentication

You can set up domain authentication in your account, in the section "Email Authentication".

STEP 1 You will need to enter the domain for authentication.

Note: To authenticate your domain correctly you must enter only the name of your domain without "www"

Correct: example.com

Wrong: www.example.com

STEP 2 After entering the domain, a page with three entries will appear - DKIM, SPF and DNS verification.

STEP 3 To successfully complete the authentication, you need to add all these entries to the domain zone.

If there is a person in charge of editing the site or receiving mail (domain hosting or IT team), transfer the record data to them to do the record adding.

Note: If DKIM records in the domain zone can be any number, then the SPF record should always be only one. If there is already one SPF record, then you need to combine them.

STEP 4 After adding records to the domain zone, go back to the page where you received the entries and click the "Verify Records" button. If everything is correct, the status of the records will change to "Record is confirmed".

STEP 5 Authentication was successful if SPF, DKIM, Sender ID and Verification were marked "Verified

If the domain doesn't get verified with the first try check the most Common Mistakes in Email Authentication


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