What do you like best?
Now that we've been using Mimecast for over a year I would have to say that the things I like best are that fact that users can now restore and search for any past email without having to come to the IT department, this frees up time for IT and more importantly allows the users to retrieve the archived email much quicker. The other big thing is email continuity, When our Exchange server went down months ago the Mimecast Outlook plugin we have installed company wide detected the failed connection to the local server and jumped into action by connecting directly to Mimecast and pulling down copies of the email in queue. After Exchange came backup Mimecast delivered the queued messages to Exchange and the Outlook plugins where smart enough to tell the Outlook clients not to re-pull the messages it already. Other than a few people noticing a pop-up in Outlook telling them that they are now in continuity mode operations continued as normal. Our next Exchange upgrade will be to an All-In-One Exchange server, I'm not installing two Client Access Servers and Multiple Database Servers anymore, there is not need be cause we have the continuity through Mimecast now...
What do you dislike?
There are people in our company that love to keep hundreds of folder in their inbox being super-organized with projects and customers. I find that the way that these employees have used Outlook has caused them to not be so open to what Mimecast has to provide. I say that because althought Mimecast replicates the folders within people's Outlook to that in the Archive, for easy searching, It does not remove folders (BECAUSE IT"S AN ARCHIVE SOLUTION! Sorry , was talking to the users there....) Mimecast archive keeps every folder that create in Outlook, it stays in the Archive forever (well,...retention policy). Of course it does this for email but folders to......To me, no big deal at all - I don't care if my folder structure in the my Archive does not match that of my Outlook. When I use Mimecast I used the email search feature because I'm looking for email, not worrying about folders.... I'm elaborating on this because it's been a battle to get the stubborn super-organized users to accept it but in the realm of things this is a small, small, small.... "issue".
Recommendations to others considering the product
The setup process takes some time but there are engineers that step you along.
The biggest part of implementing is gathering of all the PST files and sending them to Mimecast to be ingested.
What business problems are you solving with the product? What benefits have you realized?
Email retrieval - It's in the EU's hand now.
Email Archive - We don't have to keep large volumes attached to Exchange, it keeps the Databases small, and the servers running much better.
Email retention - we dictate how long we want to keep email for and now have the ability to hand legal holds much more easily (A really big sell point for some)
Email continuity - Outlook Plug-in will bypass Exchange and go straight to Mimecast if neeed, The Mimecast Web Portal is always available, and there is a secure mobile app to get email on the go. Unless Mimecast is down there is not a scenario where employees can't get their email.