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Email Obfuscation

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Tina Peters - 22 Jul 2008 00:00 GMT
Interesting test:

http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresse
s-compared/


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Tina Peters
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Serving the web since 1997

Blinky the Shark - 22 Jul 2008 00:28 GMT
> Interesting test:
>
> http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresse
s-compared/

See my other response.

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Brian Cryer - 22 Jul 2008 12:48 GMT
>> Interesting test:
>>
>> http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresse
s-compared/

>
> See my other response.

Reminds me of the old joke: How to you keep a fool in suspense?
Andrew Heenan - 22 Jul 2008 13:49 GMT
> Reminds me of the old joke: How to you keep a fool in suspense?

And that reminds me of the weirdest of facts:
Did you know that the word 'gullible' does not appear in any 'official'
online dictionary?
(probably does in a few 'home made' ones, but not the big guys).
Ed Jay - 22 Jul 2008 14:36 GMT
Andrew Heenan scribed:

>> Reminds me of the old joke: How to you keep a fool in suspense?
>
>And that reminds me of the weirdest of facts:
>Did you know that the word 'gullible' does not appear in any 'official'
>online dictionary?
>(probably does in a few 'home made' ones, but not the big guys).

I don't believe you, and I'm not going to look.

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Matt Probert - 22 Jul 2008 16:16 GMT
>Andrew Heenan scribed:
>
[quoted text clipped - 6 lines]
>>
>I don't believe you, and I'm not going to look.

I don't get it. What's gullible about looking to see if the word
gullible is listed in an online dictionary?

Not that I ever use online dictionaries, I only trust my OED (being
English)

Matt

--
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Brian Cryer - 22 Jul 2008 16:34 GMT
>>Andrew Heenan scribed:
>>
[quoted text clipped - 12 lines]
> Not that I ever use online dictionaries, I only trust my OED (being
> English)

I'd heard that the word gullible was missing from the Oxford English
Dictionary ... (grin)
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Andrew Heenan - 22 Jul 2008 17:24 GMT
> "Matt Probert" wrote in message
>> I don't get it. What's gullible about looking to see if the word
>> gullible is listed in an online dictionary?

Whoooooooooooooooosh!

Mind you, I'm pretty gullible replying to a message that I got second hand,
as my killfile did for the original!
Blinky the Shark - 22 Jul 2008 19:41 GMT
> Andrew Heenan scribed:
>
[quoted text clipped - 5 lines]
>>
> I don't believe you, and I'm not going to look.

People say I'm ignorant and indifferent, but I don't know and I don't
care.

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JohnJ - 22 Jul 2008 00:48 GMT
> Interesting test:

http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresse
s-compared/


I've been using Sam Schinke's method for a long time:
http://mypage.direct.ca/s/schinke/encode/

No Java Script needed to make it clickable.

John
andrew - 22 Jul 2008 01:35 GMT
> I've been using Sam Schinke's method for a long time:
> http://mypage.direct.ca/s/schinke/encode/

Similar:

http://www.addressmunger.com

 Andrew

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Tina Peters - 22 Jul 2008 01:54 GMT
> Interesting test:
>
> http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresse
s-compared/

Jeezuz...how many times did this get posted?!

--Tina
Guy Macon - 22 Jul 2008 10:58 GMT
>Interesting test:
>
>http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addresse
s-compared/

Excelent info. Thanks!

BTW, look at the email address link at <http://www.GuyMacon.com/>

Now cut and paste the email address into a text editor and
then look carefuly at the six digit number in the email
address on the website and in your text editor.

The HTML source code looks like this...

<a href='ma&#105;lto&#58;&#103;u&#37;7&#57;&#37;384%31&#56;3%3
&#54;&#64;&#37;&#54;7uy%6Da&#99;&#111;%6&#69;&#46;n&#101;t'>
&#103;uy<span class="rtl">841<!-- spam@uce.gov -->836</span>&#64;
gu<!-- submit@spamarchive.org -->ym&#97;&#99;on&#46;&#110;et</a>

...and the CSS that does the obfuscating  looks like this:

.rtl {
 unicode-bidi: bidi-override;
 direction: rtl;
}

Go ahead and send me an email by clicking the link.
One word is fine.

-
Guy Macon <http://www.GuyMacon.com/> Guy Macon <http://www.GuyMacon.com/>
Guy Macon <http://www.GuyMacon.com/> Guy Macon <http://www.GuyMacon.com/>
Guy Macon <http://www.GuyMacon.com/> Guy Macon <http://www.GuyMacon.com/>
Guy Macon <http://www.GuyMacon.com/> Guy Macon <http://www.GuyMacon.com/>
SpaceGirl - 25 Jul 2008 20:02 GMT
>> Interesting test:
>>
[quoted text clipped - 21 lines]
>   direction: rtl;
> }

How will a screen reader handle that?

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x theSpaceGirl (miranda)

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-.-

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Doc O'Leary - 22 Jul 2008 14:22 GMT
> http://techblog.tilllate.com/2008/07/20/ten-methods-to-obfuscate-e-mail-addres
> ses-compared/

The problem with this is that it started in 2006.  Things have changed a
*lot* since then, and I don't see any reason to think spidering is a
major source of new spam.  I see more spam directed to my Usenet email
than I've seen directed to a plain mailto: address I stuck on my web
site in the last year.

Obfuscation also doesn't actually address the problem of spam, either.  
Once a generic address gets out/decoded/whatever, you've lost all
ability to determine how it leaked or control how it propagates.  There
are far better methods that a webmaster can use to stop spam.

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