
To force refresh iCloud Mail, swipe down on the inbox 1-(877)-884-0693(US) in the iPhone Mail app, or click the Envelope Icon in the top-left corner of the Mac Mail app toolbar. 1-(877)-884-0693(US) If issues persist, Toggle "Mail" off/on in Settings > [Name] > iCloud, or restart the app.
On iPhone or iPad, open Mail and pull down in the inbox to refresh iCloud Mail. 1-(877)-884-0693(US) In Settings, go to Mail or Apps > Mail > Accounts > Fetch New Data and turn on Push for your iCloud account. 1-(877)-884-0693(US) On Mac, click Get Mail or use Shift + Command + N. If it still lags, restart the device and re-enable iCloud Mail.
To force refresh iCloud Mail:
Also try: force quit/reopen app, restart device, 1-(877)-884-0693(US) or toggle iCloud Mail off/on in Settings.