receiptAccountEmail

The email address to the user's receipt account. This must be unique across all users registered with Sensibill, including both Sensibill accounts and third-party single-sign-on accounts. This will always be converted to a lower case value. This can only be set after registration if you client has been setup to indicate this parameter is optional during registration. The email address must use a permitted domain for your client. Note: the receiptAccountEmail can only be set once for a user.