Sending unsolicited bulk email messages through iCloud email servers is prohibited. ICloud Mail service is designed primarily for personal use.
The maximum number of recipients per message (500 recipients).The number of recipients you can message each day (1000 recipients).The total number of messages you can send each day (1000 messages).There are several safeguards in place to make sure that only iCloud members can send messages using iCloud. One of these safeguards includes reasonable limits on:
