Mail Server Information 

@netcom.co.uk customers

Incoming (POP3) Mail Server: mail.netcom.co.uk
Outgoing (SMTP) Mail Server: mail.netcom.co.uk

Net Communications other customers!
Use: mail.(your own domain name)

Incoming (POP3) Mail Server: mail.your-domain
Outgoing (SMTP) Mail Server: mail.your-domain