#31 folder.idx what ?

I tried phmail in vista rc2, work well but to selection
the folder inbox display this: "cannot create file
d:\folderprog\accounts\nameaccount\inbox\folder.idx
Access in denied" ,this same problem onto winxp at move
folder in other place.

I have more of 1000 mail stored with phmail, gmail
support added by means of www.stunnel.org,
POP3/SMTP/NNTP simulation server "html2pop3"
http://www.baccan.it.