Restrict User Email Domain in Salesforce

Did you know that you can restrict email domains that can be used in a user’s email address in Salesforce?

For example, if you do not want admins to add a user with a non-company email address like, or you can prevent them from doing so.

For this, first you need to set the “Allowed Email Domains” in Setup.

Set Allowed Email Domains under Setup

And now when the admin tries to add a user with an email domain that is not specified under allowed email domains, they are going to get the error.

Non specified email domains will not allowed when creating user

This rule is not enforced for existing users. But if edit an existing user, you will need to update the email field to match an allowed email domain.

References & Useful URLs

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