I dunno, for most people in corp environment it is a total nightmare
So, exactly the people that any new e-mail solution won't be able to help because they're locked into a Lotus Notes/Exchange server with a bunch of backend integration and a proprietary client.
So, exactly the people that any new e-mail solution won't be able to help because they're locked into a Lotus Notes/Exchange server with a bunch of backend integration and a proprietary client.