Mailmate may be just what you’re looking for. It’s fabulous for handling an enormous amount of accounts and emails at once imo, and the filtering tools for powe

Mailmate may be just what you’re looking for. It’s fabulous for handling an enormous amount of accounts and emails at once imo, and the filtering tools for power users are second to none. So performant. And you can make it as pretty as you like if you know what you’re doing.