Delete a lot of gmail

[Updated 06/11/2015 - new method!]

At some point in 2011, I decided to start reading the Linux Kernel Mailing List (LKML), so I subscribed to the list from my gmail account.

Those that know the LKML will know why my reading streak didn't last long due to the shere number of e-mails and the technical nature of them. The list has all patches and discussions related to Linux kernel development which can be very heavy going!

Fast-forward to 2015 and I realised I was running low on google mail storage...

80% gmail storage used 50 e-mails selected

... and after finding I had over 140k e-mails from LKML I thought I'd delete those and free up some space. This turned out to be a little harder than I had expected!

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