[Dovecot] Editing sieve files

[jalal]

Hi all

I've got a standard dovecot setup:
home is /var/spool/vmail/domain/user/
uid: vmail gid: vmail
Sieve file is: /var/spool/vmail/domain/user/.dovecot.sieve

if i want to change the dovecot-sieve file to modify the rules (or even let
my users do it at some point) then it has to been done by root.

Is there a way to setup the sieve plugin so a user can create his own rules?
sort of like ~/.procmailrc

TIA
jalal