On Wed, 23 Mar 2005, David Brodbeck wrote:
> > -----Original Message-----
> > From: Marilyn Davis [mailto:marilyn@deliberate.com]
>
> > The ones where you have to go to the web and read a hard-to-OCR font
> > aren't vulnerable to robot attack -- if done right.
>
> No, but they have other problems.
>
> - They lock out visually-impaired users. Depending on your business, that
> might be an ADA violation. Even if it isn't, it's pretty rude.
Yes.
I suppose you can add a statement, "If you can't read this, please
call xxx."
Or there could be a careful registry of email users who are blind.
>
> - They still aren't fool-proof. I recall hearing recently about an incident
> where, to avoid a "type in this word" style block on creating new email
> accounts, spammers were automatically grabbing the images, asking people to
> type in the word to get access to porn sites, then automatically setting up
> email accounts using the results. I have to hand it to the guy who thought
> that one up.
Yeh. Brilliant!
But still. That is feasible for setting up an email account, but not
for getting an individual email through. Or maybe it is -- if the
number of logins into porn sites approaches the number of spams mails.
I don't know.
I think it's worth thinking about.
Marilyn
>
>
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