We're back on the Mac! Sparrow for Mac 1.6 comes with one major feature: POP support, and a lot of improvements that will make your mail life even easier.  POP  You can now finally plug your Hotmail account in Sparrow or any other POP   'True' Unified Inbox   Navigate in your unified Favorites, Sent, Drafts from your Unified account.  Empty Spam  As simple as it is, one click to flush them all.  Composer sender toggle  Quickly toggle down from 'To', 'Subject' to 'From'.  And a lot more additions to this new version: Pull to refresh updates list of starred messages / unread messages / priority messages Esc on Quick Reply saves as draft App startup time improvement Inbox zero message Fixed avatar behavior (thanks to Ellis Hamburger) Improved charset decoding Remove flickering when message list is empty Fixed scrollers behavior in sidebar Random scroll in the list when switching folder Handle additional international subject reply and forward prefix Periodical log clean up Improved contacts synchronization from Gmail Draft icon aligment in conversation view Refresh folders list periodically Fixed Asana emails parsing issue  As always, this update is completely free. Get it now on the Mac AppStore.