My perfect email client was there all along

Let&rsquo;s admit it, the popular desktop email clients suck for power users. Both Gmail and Outlook are slow, push their own (bad) AI on you, have terrible search (some more than others), and are not customizable. They are a poor common denominator that makes me upset when I use them. For years I&rsquo;ve dreamt of the perfect email app, without really knowing what it is or what it would look…