Add email verification rake task

app/jobs/verify_emails_job.rb

@@ -1,8 +1,7 @@
-class SendEInvoiceJob < Que::Job
+class VerifyEmailsJob < Que::Job
 
   def run(verification_id)
-    email_address_verification = run_condition(EmailAddressVerification
+    email_address_verification = run_condition(EmailAddressVerification.find(verification_id))
-                                                 .find(run_condition(verification_id)))
 
     ActiveRecord::Base.transaction do
       email_address_verification.verify
@@ -17,12 +16,14 @@ class SendEInvoiceJob < Que::Job
   private
 
   def run_condition(email_address_verification)
+    destroy unless email_address_verification
     destroy if email_address_verification.recently_verified?
+
     email_address_verification
   end
 
   def logger
-    Rails.logger
+    Rails.logger = Logger.new(STDOUT)
   end
 
   def log_success(verification)

app/models/email_address_verification.rb

@@ -1,14 +1,30 @@
 class EmailAddressVerification < ApplicationRecord
-
   RECENTLY_VERIFIED_PERIOD = 1.month
 
+  scope :not_verified_recently, -> {
+    where('verified_at IS NULL or verified_at < ?', verification_period)
+  }
+
+  scope :verified_recently, -> {
+    where('verified_at IS NOT NULL and verified_at >= ?', verification_period)
+  }
+
   def recently_verified?
     verified_at.present? &&
-      verified_at > Time.zone.now - RECENTLY_VERIFIED_PERIOD
+      verified_at > verification_period
+  end
+
+  def verification_period
+    self.class.verification_period
+  end
+
+  def self.verification_period
+    Time.zone.now - RECENTLY_VERIFIED_PERIOD
   end
 
   def verify
-    validation_request = Truemail.validate(email)
+    media = success ? :mx : :smtp
+    validation_request = Truemail.validate(email, with: media)
 
     if validation_request.result.success
       update(verified_at: Time.zone.now,

lib/tasks/verify_email.rake

@@ -0,0 +1,11 @@
+namespace :verify_email do
+  desc 'Stars verifying email jobs'
+  task all_domains: :environment do
+    verifications_by_domain = EmailAddressVerification.not_verified_recently.group_by(&:domain)
+
+    verifications_by_domain.each do |_domain, verifications|
+      ver = verifications[0] # Only first email to not to clog the SMTP servers
+      VerifyEmailsJob.enqueue(ver.id)
+    end
+  end
+end