Now that development of Thunderbird has ground to a halt, the market for alternative email clients to replace OS X mail is wide open again. One app that has proved incredibly, and increasingly, popular over the years is Postbox which benefits from a refined interface and a fabulous turn of speed that makes it easier than ever to manage your inbox. Version 3.0.5 brings about some important updates for Mac users.

Although Postbox is available for both Mac and Windows, this time around it is Mac users who can reap the benefits of the update. The release of Mountain Lion and new ranges of Macs with Retina Displays means that there is now a flurry of activity as more and more apps are updated to take advantage of the latest display technology.

Postbox

This is true of Postbox 3.0.5 which also sees the introduction of other OS X10.8 specific features. There is also support for the new security feature Gatekeeper as well as support for Notification Center.

Aside from this, the latest update to the program addresses and issues which led to the corruption of some mail attachments with IMAP accounts. But the main focus of this release is Retina Display support which helps to ensure that Postbox remain one of the best looking email clients currently available.

You can find out more and download a free copy of the app by paying a visit to the Postbox review page.