Apple's Mail app is constantly losing it's connection to my various different work email accounts, but the annoying thing isn't that it's losing it, it's that i

Apple's Mail app is constantly losing it's connection to my various different work email accounts, but the annoying thing isn't that it's losing it, it's that it's not doing a good job of either telling me, or having me re-auth. I should probably give Thunderbird another try - specially since they're funding is up.