Return truemail

This reverts commit 862f5639ebbe4d3e6abd5d5be7fb7840e7b83bdf.

db/migrate/20200605100827_create_email_address_verifications.rb

@@ -0,0 +1,13 @@
+class CreateEmailAddressVerifications < ActiveRecord::Migration[6.0]
+  def change
+    create_table :email_address_verifications do |t|
+      t.string :email, null: false
+      t.datetime :verified_at
+      t.boolean :success, null: false, default: false
+      t.string :domain, null: false
+    end
+
+    add_index :email_address_verifications, :email, unique: true
+    add_index :email_address_verifications, :domain
+  end
+end

db/migrate/20200610090110_change_email_verification_fields_to_citext.rb

@@ -0,0 +1,13 @@
+class ChangeEmailVerificationFieldsToCitext < ActiveRecord::Migration[6.0]
+  def up
+    enable_extension 'citext'
+    change_column :email_address_verifications, :email, :citext
+    change_column :email_address_verifications, :domain, :citext
+  end
+
+  def down
+    change_column :email_address_verifications, :email, :string
+    change_column :email_address_verifications, :domain, :string
+    disable_extension 'citext'
+  end
+end