Generally this is done with system quotas... which are user based. You would need to have a separate user (system level) for each virtual FTP account, which would be quite challenging.
I have heard of some free scripts that will use passive methods to enforce a space quota, but it's not going to be fail-safe.
- First initial to the last name at the mail service provided by the world's largest search engine
- Founder and CEO (Former) Site5.com, sold in 2008
- Really honestly wants to be a good WHT citizen but can never remember all the correct etiquette. Mods, sorry in advance