An email gateway connects to an email server, such as an Exchange server, via the SMTP protocol.
In the DualShield Admin Console, navigate to Configuration | Gateways

Click CREATE

Select EMAIL as the Type
Provide the following details
| Field | Value |
|---|---|
| Name | name of the email gateway |
| Domains | Select all domains |
| Enabled | √ |
| Server URI | IP address or FQDN of the SMTP server |
| Port | Port number of the SMTP server, e.g. 25 |
| Transport Layer Security (TLS) | Tick this box if the SMTP connection requires TCP |
| Secure Socket Layer (SSL) | Tick this box if the SMTP connection requires SSL |
| Authentication Required | Tick this box if the SMTP connection requires authentication |

Click SAVE & TEST

Enter an email address in From and To
Click "TEST"

Click CANCEL to dismiss the test window

The email gateway has been created & tested successfully.