DomainFromEmailAddress static method
Implementation
static String DomainFromEmailAddress(String emailAddress) {
  List<String> emailAddressParts = emailAddress.split('@');
  if (emailAddressParts.length != 2 ||
      StringUtils.IsNullOrEmpty(emailAddressParts[1])) {
    throw new FormatException("Strings.InvalidEmailAddress");
  }
  return emailAddressParts[1];
}