> Source: [sk166812](https://support.checkpoint.com/results/sk/sk166812)

# sk166812 - Unable to specify a submission port (TCP/587) inspection for SMTP on a 1500 appliance

| Property | Value |
|----------|-------|
| Solution ID | sk166812 |
| Date Created | 2020-05-11 |
| Last Modified | 2022-07-20 |
| Technical Level | Advanced |
| Products | Spark Firewall (Locally Managed) |
| Versions | R81.10.X |
| Platform | 1500, 1600, 1800 |

## Symptoms

- There is no option to specify a service's ports with commas in a 1500 appliance (firmware R80.20.xx). Hence, it is not possible to add submission port (587) to the default SMTP inspected service.

## Solution

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