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| Limit type | Limit |
|---|---|
| Messages per day Daily sending limit* | 2,000 |
| Messages auto-forwarded Messages automatically forwarded from another account, not included in the daily sending limit | 10,000 |
| Auto-forward mail filters Account filters that automatically forward mail | 20 |
| Recipients per message Addresses in the To, Cc, and Bcc fields of a single email* | 2,000 (500 external) |
| Recipients per message sent via SMTP (by POP or IMAP users users) or the Gmail API Addresses in the To, Cc, and Bcc fields of a single email. Includes email sent using smtp-relay.gmail.com or smtp.gmail.com* | 100 |
| Total recipients per day Individual addresses count in every mail sent; 5 emails sent to 10 addresses count as 50 recipients* | 10,000 |
| External recipients per day Email addresses outside your primary domain, including domain aliases and alternate domains | 3,000 |
| Unique recipients per day Individual addresses count once a day; 5 emails sent to 10 addresses count as 10 unique recipients* | 3,000 (2,000 external) |
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