I've never had a problem with Rob, aka the Malt Miller. I ordered about £100 of stuff at 10 yesterday morning and it was delivered today. If ever I miss something I just phone him, and he adjusts my order for me.
I would be surprised if he uses email for order notification, but I don't know for sure. I try and avoid email as there is no guarantee it is delivered, the phone works better.
I believe Rob uses UKMail for deliveries, I can check when I get home. In the 3 years I have been using him I have never had a delivery not arrive next day.