It's not the lack of open source, it's ease of use. Alternatives exist, but no company is going to run a charity case for you to store tons of data for free. Ma

It's not the lack of open source, it's ease of use. Alternatives exist, but no company is going to run a charity case for you to store tons of data for free. Mail in particular is commonly known to be a hassle which has nothing to do with Gmail the software, as much as Gmail the provider.