high-sierra

So I have Ubuntu and high sierra working fine, but yesterday I decided to expand the ubuntu disk space. So I free up space in the macos by deleting the application and then doing a partition(this is how I remember allocating space for ubuntu when I installed it). The partition was done in osx...

Edit: I had a much longer post than this which had edits as I learned more and corrected my previous conclusions. I've now realised that the problem is really that the High Sierra update has wiped every password from my keychain. It's not a Mail problem. Keychain has no remains of any of my...