[Dovecot] download IMAP folders via POP3

[Jakob Grießmann]

Hi Timo,

> namespace private {
>  prefix = virtual/
>  location = virtual:~/Maildir/virtual
>  inbox = yes
> }
> namespace private {
>  prefix =
>  inbox = no
> }
>
> Then create ~/Maildir/virtual/INBOX/dovecot-virtual file

thanks, this looks good - I'll try it out! Thanks for the great support on list!

Jakob