I'm pretty happy... OSX: Mail.app does the job very well, little bloat. Linux: I like Geary. Lean but not as good as Mail.app though Windows: Mailbird. Light

I'm pretty happy... OSX: Mail.app does the job very well, little bloat. Linux: I like Geary. Lean but not as good as Mail.app though Windows: Mailbird. Light but also not as good as Mail.app For Business I have Outlook. None is perfect but all do what I need in the corresponding context.