RCN E-mail Settings for iPhone

Incoming (IMAP) Mail Server Configuration

Server Hostname imap.rcn.com
Server Port 143
Username The part before the @ sign of your e-mail address
Authentication Password
SSL/TLS No

Outgoing Mail Server Configuration

Server Hostname smtp.rcn.com
Server Port 25
Username The part before the @ sign of your e-mail address
Authentication Password
SSL/TLS No