If your email address ends with @twc.com:
POP Server Address: mail.twc.com
SMTP Server Address: mail.twc.com
If your email ends with @rr.com:
An example of an incoming address would be pop-server.location.rr.com (your POP Server Name will have the same ending as your TWC Mail address)
An example of your outgoing address would be smtp-server.location.rr.com (your SMTP Server Name will have the same ending as your TWC Mail address).