Have you tried Zoho mail? It's not the same as rolling your own, but it's decentralized from Google's servers. Not just that but you can register domain specifi

Have you tried Zoho mail? It's not the same as rolling your own, but it's decentralized from Google's servers. Not just that but you can register domain specific addresses (like Google Apps) for free. It's my standard for new domains. They can still collect all the info you provide them directly, but it's a bit different than cross-referencing your gmail account with your phone's location history and your google search history, paired with your Google calendar travel plans and emails about shopping list updates for your Amazon account.