Presume you mean emails are still on Tiscali server.
When you set up the account in OE what type did you set it to? IMAP or POP3?
If you set it to POP3 then emails are downloaded and removed from mailbox. If you use IMAP they will remain in the Tiscali mailbox, which may be useful if you wanted to use webmail.
(P.S. Try and avoid upper case only text as some forum users consider this as equivalent to shouting. Thanks)