I had my first server with multiplay but it was terrible, they employ techincal support staff that are clueless about the games they host for and I also had latency issues with them [users had low ping but were lagging / rubber banding in game].
So I chose GTXGaming to try out after the bad experience with Multiplay and they are ALOT better, they sorted out my server within 30 mins, I also requested a mumble server which isn't advertised on their website and they set me one up. My tickets were answered within a few hours and were resolved quickly.
I highly recommend these guys
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