Improve the interface of FoodsoftMailReceiver

app/mail_receivers/bounce_mail_receiver.rb

@@ -4,11 +4,14 @@ class BounceMailReceiver
     /bounce\+(?<local>.*)=(?<domain>[^=]+)/
   end
 
-  def received(match, data)
-    address = "#{match[:local]}@#{match[:domain]}"
+  def initialize(match)
+    @address = "#{match[:local]}@#{match[:domain]}"
+  end
+
+  def received(data)
     mail = Mail.new data
     subject = mail.subject || 'Unknown bounce error'
-    MailDeliveryStatus.create email: address,
+    MailDeliveryStatus.create email: @address,
                               message: subject,
                               attachment_mime: 'message/rfc822',
                               attachment_data: data