zammad/lib/email_address_validation.rb

# Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/

# Validation for email addresses

class EmailAddressValidation

  attr_reader :email_address

  # @param [String] email_address Email address to be validated
  def initialize(email_address)
    @email_address = email_address
  end

  def to_s
    email_address
  end

  # Checks if the email address has a valid format.
  # Reports email addresses without dot in domain as valid (zammad@localhost).
  #
  # @param mx [Boolean] check only syntax or MX as well
  #
  # @return [true]  if email address has valid format
  # @return [false] if email address has no valid format
  def valid?(check_mx: false)
    EmailAddressValidator.valid? email_address,
                                 host_validation:  (check_mx ? :mx : :syntax),
                                 local_encoding:   :unicode,
                                 host_local:       true,
                                 host_fqdn:        false,
                                 host_auto_append: false
  end
end