trabajo-afectivo/lib/email_address_validation.rb

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# Copyright (C) 2012-2021 Zammad Foundation, http://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).
#
# @return [true] if email address has valid format
# @return [false] if email address has no valid format
def valid_format?
# NOTE: Don't use ValidEmail2::Address.valid? here because it requires the
# email address to have a dot in its domain.
@valid_format ||= email_address.match?(URI::MailTo::EMAIL_REGEXP)
end
# Checks if the domain of the email address has a valid MX record.
#
# @return [true] if email address domain has an MX record
# @return [false] if email address domain has no MX record
def valid_mx?
return @valid_mx if @valid_mx
validated_email_address = ValidEmail2::Address.new(email_address)
@valid_mx = validated_email_address&.valid_mx?
end
end