Are any of you using Mac OS X Yosemite and the built-in Mail app? How is it? Does it play nice with the Mail apps on the iPhone/iPad? I'm getting really frustrated with the Mail app on Mavericks. It doesn't always receive all the mail I get, and when it does receive mail it is often a LONG time after it shows up on my iPhone 5 and iPad mini Retina. Frequently I have to completely quit Mail on Mavericks and reopen it, then it suddenly loads a bunch a new email. Piece of junk. Part of the issue might be that I use GoDaddy as my mail server and web server, and GoDaddy might not be playing nice with Mavericks. But I think most of it is the sucky Mail app in Mavericks. I'm really hesitant to upgrade to Yosemite and slow down my Mac Mini 2012 model, but if Mail really is a huge improvement I might go ahead and upgrade.