Spark email arrives for the Mac

Spark, a sleek and customizable email app for iPhones and iPads, is debuting on the Mac today. The free app supports a variety of email services, including Gmail, Outlook, Yahoo, iCloud, Exchange, and other IMAP services. It boasts an intelligent organization system that automatically categorizes emails into different groups and will only notify for emails you actually want to see. It also has integrations with Dropbox, Box, iCloud Drive, and Evernote.
In addition to intelligence, Spark is highl