I use GMvault for doing this and I'm quite happy with it. Unfortunately, it's not actively maintained anymore and out of the box, it doesn't work properly thanks to some annoying changes that Google has made to Oauth, but fortunately, there's plenty of documentation on GitHub for how to fix it. I have GMvault set up to run nightly using a cron job on my NAS. Source: about 1 year ago

With gmvault you can download and sync. http://gmvault.org/ it saves in .eml format, I assume you could use a locally installed web mailer for accessing the emails? Source: about 1 year ago

I used this until I didn't need it any more, worked perfectly for a long time: http://gmvault.org/. Source: about 1 year ago

I recommend to look in gmvault http://gmvault.org/ . Source: about 2 years ago

It's a good idea to use something like gmvault [0] to ensure you have regular downloads of your mail corpus locally. [0] http://gmvault.org/. - Source: Hacker News / about 2 years ago

I was diagnosed in 2011 and have struggled a lot to stay productive as a software developer. Somewhat ironically, I've also been building productivity software for my entire career (most recently Calculist), and I think that the combination of those two things puts me in a unique position to help my fellow people with narcolepsy. Source: almost 3 years ago