This applies to Windows servers that are not running Plesk.
By default, a Windows server will not allow incoming connections for POP3 and SMTP. You will need to update the firewall to allow connections on the required ports.
To update the firewall:
Once the firewall has been updated, you can then create the mailboxes.
To create a mailbox:
To connect to the mailbox you have created, use these settings:
Incoming POP3 Server: IP address of your server
Port: 110
SSL Encryption: Off
Outgoing SMTP Server: IP address of your server
Port: 25
SSL Encryption: Off
Username: The whole email address (mailboxname@postoffice)
Password: As set when you created the mailbox
Authentication Type: Plain Password Authentication
IMAP is not supported by MailEnable.
Article ID: 86
Created On: Thu, Mar 5, 2015 at 3:12 PM
Last Updated On: Wed, Aug 18, 2021 at 3:43 PM
Online URL: https://www.heartinternet.uk/support/article/how-do-i-create-a-mailbox-on-my-windows-server.html