Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!caen!math.lsa.umich.edu!math.lsa.umich.edu!brode From: brode@math.lsa.umich.edu (Jon Brode) Newsgroups: comp.sys.atari.st Subject: Re: Bye Bye BART Message-ID: <1991Feb19.154407.4016@math.lsa.umich.edu> Date: 19 Feb 91 15:44:07 GMT References: <4484@syma.sussex.ac.uk> <1991Feb17.235832.17444@msuinfo.cl.msu.edu> <2798@krafla.rhi.hi.is> Sender: usenet@math.lsa.umich.edu Organization: University of Michigan Math Dept., Ann Arbor Lines: 19 In article <2798@krafla.rhi.hi.is> adamd@rhi.hi.is (Adam David) writes: >Surely it can't >be too difficult to rig up a "hacker-proof" mailer quota system. I'm open to any suggestions on how to do an automatic "hacker-proof" quota system. The version I'm testing now closes the hole that was used, but I still know of many easy ways to fool the quota system and no easy way to prevent it. While you're thinking of an automatic system to suggest, keep a few things in mind: - we don't have the administrative time to deal with pseudo-accounts - we can't assume that account names are unique on the internet - there are many, many twisted ways to write valid addresses - some networks use user@host.domain instead of user@domain - some systems let users change their mail names independent of acct name Jon Brode -- brode@math.lsa.umich.edu Supreme Allied Umich Atari Posse Commander