Apple’s system status page is showing that iCloud Mail is down for a small number of users. Apple says that the outage, which has lasted almost 18 hours, is currently affecting around 0.1 percent of users.

Users affected by the outage are seeing a ‘Cannot Get Mail: iCloud is currently unavailable’ message. There is as yet no word from Apple on when the service is expected to be restored.

No other iCloud services appear to be affected.