Spectacular!
My feedback below is unsolicited!
Ok, I know email apps are very personal to the individual using it, so an app that one person may like, may not be appropriate for another. Sparks ability to allow you to customize the experience, via their various configuration points, has allowed me to quickly appreciate, adapt, and make this wonderful tool become my primary email client for personal and professional use. It has seamlessly brought together the best of many wonderful email management features into one beautifully designed app. I highly recommend you give it a try.
Spark team, kudos! Huge congratulations to you all for the creation of this great app. Although it is currently free, I would pay for it in a heartbeat!
MoAsgari about
Spark Mail + AI: Email Inbox, v1.6.5