I was having a look at the Google Takeout service, and one thing I noticed is that although my Google account uses Gmail (with my own domain via Google Apps for Business) when I go to takeouts Gmail isn't listed as one of the products.
I'm aware I could hook up a desktop email client to the account and backup from there, but I was wondering if there was a one click Takeout solution.
Best Answer
Try using GMVault
The setup instructions are quite thorough and once installed you can synch (download) all your emails by a single command:
I believe this is as close to a one click solution as you can get right now. Good luck!