How to set the mail proxy in Outlook to send and receive Internet emails?

CMailServer provides mail proxy server and you can use this service to send or receive external email account. You can active it by select "mail proxy" in "options".

Suppose -

External email address: support@youngzsoft.com
Login Account: support
External SMTP server address: smtp.youngzsoft.com
External POP3 server address: pop3.youngzsoft.com

CMailServer address: 192.168.0.1

In email client, you can use following settings to retrieve and send emails with external email account -

Login account: support#pop3.youngzsoft.com
SMTP server address: 192.168.0.1
POP3 server address: 192.168.0.1
Outgoing server settings: Account is "support#smtp.youngzsoft.com" (if the external outgoing server doesn't require authentication, you should set account here as "#smtp.youngzsoft.com").