DeregisterMailDomain - Amazon WorkMail


Removes a domain from WorkMail, stops email routing to WorkMail, and removes the authorization allowing WorkMail use. SES keeps the domain because other applications may use it. You must first remove any email address used by WorkMail entities before you remove the domain.

Request Syntax

{ "DomainName": "string", "OrganizationId": "string" }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.


The domain to deregister in WorkMail and SES.

Type: String

Length Constraints: Minimum length of 3. Maximum length of 209.

Pattern: [a-zA-Z0-9.-]+

Required: Yes


The WorkMail organization for which the domain will be deregistered.

Type: String

Length Constraints: Fixed length of 34.

Pattern: ^m-[0-9a-f]{32}$

Required: Yes

Response Elements

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.


For information about the errors that are common to all actions, see Common Errors.


You SES configuration has customizations that WorkMail cannot save. The error message lists the invalid setting. For examples of invalid settings, refer to CreateReceiptRule.

HTTP Status Code: 400


One or more of the input parameters don't match the service's restrictions.

HTTP Status Code: 400


The domain you're trying to change is in use by another user or organization in your account. See the error message for details.

HTTP Status Code: 400


An operation received a valid organization identifier that either doesn't belong or exist in the system.

HTTP Status Code: 400


The organization must have a valid state to perform certain operations on the organization or its members.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: