Create bounced_mail_addresses table

db/migrate/20200916125326_create_bounced_mail_addresses.rb

@@ -0,0 +1,12 @@
+class CreateBouncedMailAddresses < ActiveRecord::Migration[6.0]
+  def change
+    create_table :bounced_mail_addresses do |t|
+      t.string :email, null: false
+      t.string :bounce_reason, null: false
+      t.integer :incidents, null: false, default: 1
+      t.jsonb :response_json
+
+      t.timestamps
+    end
+  end
+end