What kind of mail account is it? POP3, IMAP or HTTP?
For IMAP and HTTP, WLM mirrors the mail server. So spam settings on
your account via the web interface could be causing that.
Also look in WLM at Tools (ALT+T), Safety Options. Look at the Options,
Safe Senders, and Blocked Senders tabs.
Mike - http://TechHelp.Santovec.us