[LINK] Putting "no spam" warnings on websites

[Adam Todd]

At 13:45 22/04/2004 +1000, Howard Lowndes wrote:
>On Thu, 2004-04-22 at 07:59, Miller, Avi wrote:
> > > The way to achieve this is to display an address as an image.
> > > Humans will see it but text-scanning bots will not.
> >
> > Some humans will see it. Other humans with visual difficulties may not 
> see it. While this solution is probably the most spambot-unfriendly, its 
> also probably one of the most non-accessible. You could put the letter 
> displayed as the alt text of each image, but that means the email address 
> gets spelled out on screen readers. Not quite sure what a braille reader 
> would do with that.

And unfortunately the Address Farmers will pick it up anyway!  What about 
spelling it out in phonetics?

>I also don't put an ALT tag on the graphic because that could be
>harvested.

Oh hang on!  We have a new method!

dit-dah-dah-dit-dah-dit

Lets all learn Morse Code again!

>Which is why I link it to a very friendly form.

That seems to be the best way.

>Usability of your system by a user is one thing.  Non-usability of your
>(broader) system because of spam from harvested addresses is another.
>Just as with everything else in life - it's a compromise.

The good of the many -vs- the good of the one :)