They offer "customizable" servers (storage space, IPs and more), but they pretty much give you the system and let you handle it.
I don't have any problem with that myself because I prefer to manage it myself, but if you want something that would "just work" without any security maintenance, I think it'd be better to look elsewhere.
Still, if you are searching for specific features, dropping an email to them isn't really painful and they usually answer quite quickly.
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