Super Fast Email Program (Mailspring)



Mailspring is everything an email program should be: clean, uncluttered and super fast. A menu on left-hand side of its simple interface letsyou jump to folders and options, while the centre pane appears on the right. 
In the free version, you can add up to four accountsfrom services lncluding Gmail, iCloud, GMX and Outlook. You can search your inboxes using Google-style search terms, and monitor the popularityof your emails based on the most-opened subject lines, read reciepts and tracking links.

Download HERE