require 'mail'
module ActiveModel
  module Validations
    class EmailValidator < EachValidator
      def validate_each(record,attribute,value)
        begin
          m = Mail::Address.new(value)
          r = m.domain && m.address == value
          t = m.__send__(:tree)
          r &&= (t.domain.dot_atom_text.elements.size > 1)
        rescue Exception => e
          r = false
        end
        record.errors[attribute] << (options[:message] || "is invalid") unless r
      end
    end
  end
end