Rate limits for Comcast
| Recipients per Hour | SenderScore* |
|---|---|
| 3,600 | 0 - 15 |
| 7,200 | N/A & 16 - 25 |
| 14,400 | 26 - 30 |
| 28,800 | 31 - 50 |
| 50,400 | 51 - 70 |
| 72,000 | 71 - 85 |
| 86,400 | 86 - 100 |
| *Subject to successful authentication | |
Recommended Delivery Settings
Comcast allows 25 simultaneous connections per sending IP address.Comcast allows 100 recipients per message.
Comcast allows a throttle rate based on your sender reputation and authentication.
