This is a bummer. Despite how incredibly buggy Mailbox is on OS X, it was still my favorite client since Sparrow. I might give Nylas[0] a try.<p>[0] <a href="https:&#x2F;&#x2F;www.nylas.com&#x2F;n1" rel="nofollow">https:&#x2F;&#x2F;www.nylas.com&#x2F;n1</a>