Sounds like you will need to reset your junk mail
filter 

(mail.app/preferences/junk mail -> click on reset
button at the bottom)

This worked for me

 --- Peter Curtis <[EMAIL PROTECTED]> wrote: > Hi
All
> For some reason, my mail which is divided into "In"
> and "Junk", is 
> suddenly not showing my junk emails.
> Not that I want to read junk mail, but I do like to
> check it.
> The number of junk emails show, but the actual
> emails are not showing 
> in the mailbox.
> Using Mac Mail App.
> Any suggestions?
> Regards
> Peter.
> 
> 
> -- The WA Macintosh User Group Mailing List --
> Archives -
> <http://www.wamug.org.au/mailinglist/archives.shtml>
> Guidelines -
>
<http://www.wamug.org.au/mailinglist/guidelines.shtml>
> Unsubscribe -
> <mailto:[EMAIL PROTECTED]>
> 
> WAMUG is powered by Stalker CommuniGatePro 

Find local movie times and trailers on Yahoo! Movies.
http://au.movies.yahoo.com