Script for sending mails to the owners of the accounts

[ravivr]

Hi all,

Iam running Qmail for our Messaging system with Quota system is implemented
for for our POP users.I want to send my users an
Email notification (to the owner ) automatically when 80% of his/her quota
completes.Is there any script for doing this.
Any help will be gratly appreciated.

Rgds,
RAVI