Contact
A real person reads these.
Something is wrong with an install
If the install script refused a checksum or a signature, say so first — that is the message we most want to see, and it is the one the script tells you to send. Include the version it was trying to install and the architecture of the host.
Everything else
Questions about plans, invoicing or the company go to ZiiX, which owns Silent Failure. Questions about what the agent reads, or about a finding you think is wrong, go to the same address and reach the same people.