In Netscape 4.x click the Edit menu and select Preferences.
Click the “+” to branch out Mail and News and select Identity. Enter your name,
email address, and company name in the indicated fields.
Select Mail Servers and under Incoming mail servers click Add.
For Server name enter mail.onet.net and for Server Type select POP3.
Enter your username in the indicated field. Your username is your email address without
the @onet.net. Select the other fields at your own discretion.
Select the POP uncheck Leave Messages on the server. You can leave this checked if
you require it. Click OK.
Under Outgoing mail server enter mail.onet.net and your username, which is your
email address without the @onet.net. Select the Option button If Possible.
Click OK.