Enter 'mail.twc.com' in the 'Outgoing Mail Server (SMTP). Enter '587' in the 'SMTP port' of 'Outgoing Server'. Enter full RR email address in 'Inbound and Outbound User Name' (ending with @rr.com, @twc.com or @roadrunner.com). Enter your RR email password in 'Inbound and Outbound Password' column.