It needs better Enterprise controls.
We've used it for seven years.
Mainly migration issues from IBM Notes.
There were no issues with the stability.
We've had no issues scaling it.
It's good.Technical Support:
It's very straightforward.
We did it in-house.
The price is attractive as India enjoys a special price.
There were no other options looked at.
Go for it and use it effectively. Do take change management from Google.