making fetchmail delete a successfully downloaded email from dovecot

Greetings all;

I just spent slightly over an hour deleting old email from my ISP mail 
server 100 at a time, about 8 months worth and over 30,000 msgs.

Shentel.net does not allow fetchmail to delete a downloaded email because 
their dovecot server handles imap and pop3 from the same directory and 
somebody might want to come in from imap.

I've got my own archive, so I log in useing a web browser and clean my 
account out occasionally.

Is there any way to make fetchmail use an html command to do the dele 
under these conditions??
 
Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
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-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>