MailMate 1.5 and the Mac App Store
The main reason for the unusual amount of time between updates is that MailMate has not yet been sandboxed and this is now a requirement for distributing through the Mac App Store. MailMate is still not sandboxed and a consequence of this release is that MailMate is no longer for sale in the Mac App Store. […] It is not yet decided when (if ever) MailMate returns to the Mac App Store.
