- Plesk for Windows
How to enable submission port 587 in MailEnable?
Submission port 587 can be enabled either via Plesk or via MailEnable Management Console.
In Plesk go to Tools & Settings > Mail Server Settings.
Enable the option Switch on message submission on all IP addresses.
Click OK to apply the changes.
Via MailEnable Management Console
Connect to a Plesk server via RDP.
Note: if direct RDP access to the server is not possible, contact server administrator for further assistance.
Launch MailEnable from Windows Start > All Programs > Mail Enable.
In the Mail Enable Management console expand MailEnable Management > Servers > Localhost > Services and Connectors and right-click on SMTP to open its Properties.
In the SMTP Properties window switch to the Inbound tab and click Settings (Port Settings).
Enable the option Listen on alternate port: 587 and click OK.
Right-click on SMTP: stop the service and then start the service to apply the changes.