How to enable alternative SMTP port in MailEnable

1. Login to the server via RDP.

2. Start>>MailEnable Administrator

3. You are presented with MailEnable administration window.

4. Now go to MailEnable Management>> Servers>>localhost>>Connectors

5. Right click "SMTP" and go to properties.

6. Click on the tab "Inbound".

7. Specify the required port number in the field "SMTP listens on Port". By default it is 25. If the ISP is blocking the port, you can enable the option "Also listen on alternate port" and specify the alternative port.