[Closed] If my wife gets an Apple laptop, ...

If she's just browsing the internet and doing office type stuff, a Chromebook will do everything in a simple and secure manner for 20% the cost of a Macbook. Compared to Windows stuff, they are stylish too. Some even come in colours other than black!

Works for me as well.

Mail at work is a bit flakey on El Capitan when combined with a server running Yosemite. This may be a client networking issue or something in Mail. Plenty of investigation going on and support questions at Apple Communities site.