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Sender authorization is a functionality that allows you to make your messages secure and authorize your emails by authenticating the sender’s domain or email address.
You can configure it in your EmailLabs panel by going to the Administrator tab > Sender authorization. This functionality is available regardless of the paid plan.
Important! In February 2021, we enabled the obligatory Sender authorization functionality for all newly created accounts. This means that each domain or single email address must be authorized before you begin sending messages through our servers. If you can access the “Individual DKIM” application in your SMTP accounts > Settings tab, your account is not using Sender authorization.