SignaGrid

Deployment · Private

Your cloud. Your keys. Your email path.

Customer-hosted signature processing for enterprises that cannot — or choose not to — accept another processor in their email path.

How it works

  1. You deploy the SignaGrid Private Relay in your own environment.
  2. Microsoft 365 routes messages to the relay under your control.
  3. Signatures are applied without the message passing through SignaGrid infrastructure.
  4. Directory data, secrets, logs and cache stay in your environment.
  5. You choose automatic or approved updates.
  6. Support access can be fully disabled or granted just-in-time.
PrivateProcessed in your cloud · Never received by SignaGrid
Customer-controlled environmentYour Microsoft 365Customer-hosted Private RelayRecipient
The relay moves inside your boundary. Signature processing never leaves your environment.