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Use cases → Admin and governance

Verify email signatures meet company policy

Check that every user's Gmail signature matches required elements like disclaimers, contact details, and branding, using delegated access.

Who it is forIT admins responsible for regulatory or brand compliance in email communications.
APIsGmail API, Admin SDK
Typical scopesgmail.settings.basic, admin.directory.user.readonly

The problem

Many organisations rely on users to set or update their own email signatures, but manual enforcement is unreliable and spot-checks are slow. Non-compliant signatures can breach legal or brand requirements.

How it works

  1. List all active users via the Admin SDK.
  2. Fetch each user’s current Gmail signature using delegated access.
  3. Parse the signature to check for required elements (e.g. legal disclaimer, contact line, logo HTML).
  4. Report or alert on users with missing or outdated signature components.

What changes

You get a current, auditable view of signature compliance across the domain, with specific users flagged for remediation.

The trap in this one. The Gmail API caches signature changes, and recent edits may not be visible for up to a minute. If you poll immediately after a bulk update, signatures may appear non-compliant even though the change has propagated. Always build in a delay or retry logic when verifying post-update.

Watch it explained

“Goodi Sign OAuth Demo Update” — Mamun Rahman on YouTube. Third-party video, included because it covers this ground well. We are not affiliated with the channel.

Questions people ask

Can I fix non-compliant signatures automatically?

Yes, but you should notify users first. Automated overwrites can cause confusion if users are editing their signature at the same time.

Does this catch signatures set via third-party tools?

Only if the signature is pushed into Gmail. If a tool modifies content only at send time, the API won't see it.

Want this built?

This is a pattern we run in production. We will set up the delegation and build this on top of it — $500 per hour, most of it working the same day.

Talk to us Or read the setup guide

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