Manifestly
Day 0 after signup
Sign-in method added: Google
Why it works
- State the account change and its timestamp upfront so the security event is immediately clear.
- Give recipients a direct next step if they did not authorize the change.
- Keep the message concise and place related account-support links at the end.
How it is built
- Account greeting
- Security change notice
- Unrecognized activity guidance
- Support and settings links
Email copy
[First name], A new sign-in method (Google) was added to your account on November 04, 2026 at 03:32 PM UTC. If you did not add this sign-in method, please contact support immediately. Change your Notification Settings | Help Center | Suggest a Feature