Apple Mail on macOS
- 1Open Mail, then Settings, then Signatures, and create a new signature.
- 2Untick “Always match my default message font”.
- 3Paste the signature copied from your portal.
- 4Close Settings — Mail saves automatically.
iPhone and iPad
- 1Open your portal in Safari on the phone and tap Copy signature.
- 2Open Settings, then Apps, then Mail, then Signature.
- 3Paste, then shake to undo formatting loss if the text pastes plain, and paste again with Paste and Match Style off.
Android
- 1Gmail for Android: Settings, pick the account, then Mobile signature for plain text, or use the web client for rich HTML.
- 2Outlook for Android picks up roaming signatures automatically when Microsoft 365 is connected.
If your organisation uses server-side stamping, phones are already covered — no action needed.