Just turn off e-mail notifications.
Alternatively you could setup a script with your desired logic on OMV to respond if all is O.K. to your liking. eg. Client: "Hey there sexy!", OMV: "Back at ya!". I mean if you _REALLY_ cared, you would do this anyways. I don't think Spetsnaz is targeting me, but I still have a script to check rsync logs for my pictures.
...make sure to wear your tinfoil hat.
How did he KNOW you have a tinfoil hat!!!! Spies everywhere!!!