are going to take the domain "www.orbitsl.net" as the example
domain. You must change the example domain "www.orbitsl.net"
with your domain name, that mean if your have a domain hosted
with ORBITnet call www.somedomain.com, if the example say Go to
"www.orbitslt.net/cpanel" change the www.orbitsl.net domain with
your domain so it should be "www.somedomain.com/cpanel"
cPanel, WHM & sPanel
WebMail users must have out bound ports 2082, 2083, 2086, 2087,
2097, 2096 opened form there firewalls.