"Best regards", "Best wishes", "Warm wishes", "Fondest good
These phrases can all be grouped into the same category, complimentary closes. These are all ways in which one can end an email or letter with proper etiquette. It's just a way of expressing consideration for the receiver of the message. I would say though that the second memo, "this comes with my love" most likely conveys some kind of affection for you. I have heard before that the phrase, "with all the love from my heart", is a common love letter closing.
So if I had to guess, the first message is more friendly while the second one is more loving. But of course, the best way to know is to ask him.