returnPathArn

This parameter is used only for sending authorization. It is the ARN of the identity that is associated with the sending authorization policy that permits you to use the email address specified in the ReturnPath parameter.

For example, if the owner of example.com (which has ARN arn:aws:ses:us-east-1:123456789012:identity/example.com) attaches a policy to it that authorizes you to use feedback@example.com, then you would specify the ReturnPathArn to be arn:aws:ses:us-east-1:123456789012:identity/example.com, and the ReturnPath to be feedback@example.com.

For more information about sending authorization, see the Amazon SES Developer Guide.