Paid Gmail & Inbox (G Suite). Personally, it feels like Google's spam filtering is still superior to the competition, so it would take quite a lot to get me to

Paid Gmail & Inbox (G Suite). Personally, it feels like Google's spam filtering is still superior to the competition, so it would take quite a lot to get me to switch to a new vendor. Not to mention the integrated action buttons that Gmail and Inbox have supported for years. Those buttons are a great productivity enhancement that I have yet to see from most of the competition.