Email that cant be deleted

[iptunnel]

i got an email from email.com some months ago ....i have been unable to 
delete it ...it just does not go...i use mozilla in linux and netscape 
in windows the email is stuck in both and wont budge ....it's still 
there ....any advice?...if anyone is interested i can send a copy of the 
email so you can take a look