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dawidlenkiewicz/email_validator.rb

Created August 19, 2014 15:43
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email_validator
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email_validator.rb
class EmailValidator < ActiveModel::EachValidator
require 'resolv'
def validate_each(record, attribute, value)
unless value =~ /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i
record.errors[attribute] << (options[:message] || I18n.t('email.wrong'))
end
split_email = value.split("@")
domain = split_email[1].to_s
Resolv::DNS.open do |dns|
@mx = dns.getresources(domain, Resolv::DNS::Resource::IN::MX)
end
if @mx.blank?
record.errors[attribute] << (options[:message] || I18n.t('email.wrong_domain'))
end
end
end
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