seperating spam emails and real emails.

I have a problem. I have an email [email protected] which receives a fare amount of spam, which is currently tagged as ***SPAM*** and Thunderbird separates it into a separate folder with a mail rule.

Problem is i would like to have access to this email on my pocket pc device, i don't want to have to pay to download 40 spam emails just to view the 1 genuine one.. but i also dont want to set the spam filter to just delete as its not always 100% correct and i like to have a backup of the spam emails.

Is there any way to maybe create another account [email protected] and get just the genuine emails forwarded to this?

Interested to hear any solution really.

Thanks
Ryan