E-mail set up problems

[#1]

Just joined Plusnet and broadband working fine. Unfortunately I can't get e-mail to work. Have been through tutorials for Outlook Express several times and am now feeling incredibly dim. Example of error message;
An unknown error has occurred. Subject 'dfs', Account: 'mail.plus.net', Server: 'relay.plus.net', Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0B
Am employing
e-mail address = dave@username.plus.com
POP3 = mail.plus.net
SMTP= relay.plus.net
Any help appreciated,
Dave.

[#2]

Looks like the settings are right, I'll go take a butchers at your account.
*edit*
I've found the problem, your account didn't have the mailboxes added correctly. I've sorted this and you should be able to use them in around 4 hours. Sorry about that.

[#3]

Cheers Chris - should have posted my difficulty earlier!!
Dave.