I've never used Airmail, but the Thunderbird guys have put a lot of years[0] of work into specifically supporting Gmail's weirdness. It's still not as polished

I've never used Airmail, but the Thunderbird guys have put a lot of years[0] of work into specifically supporting Gmail's weirdness. It's still not as polished as something like macOS Mail (see commenter above)—you can still run into pitfalls syncing all folders/"labels" with special names, or moving emails from one folder/"label" to another, but it works ok. [0] https://bugzilla.mozilla.org/showdependencytree.cgi?id=402793&hide_resolved=0 https://bugzilla.mozilla.org/showdependencytree.cgi?id=40279...