sorry for newbie question:
i am reading
http://www.zimbra.com/docs/ne/latest...tore.13.1.html
as far as i can understand, to get full backup every sunday and inc 1-6, but to keep only 1 week and not to delete 1 month older, i have to do:
f 0 1 * * 0
i 0 1 * * 1-6
d 1 w 0 0 * * 0
on sunday at midnight it deletes all the past week backups (f and i) and do a full, starting a new week backups
just to be sure to be right

Regards
Maurizio