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Submitted on: 7/7/2002 10:46:57 PM
By: Teco
Level: Beginner
User Rating:
By 9 Users
Compatibility:ASP (Active Server Pages), HTML
Users have accessed this code 18464 times.
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(About the author) |
| | | This code takes a submitted email address/string and converts it to standardized ASCII Character codes, thus blocking bots/spiders from reading your email address, while yet allowing visitors to continue to read and use your proper address via mailto links, etc
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'**************************************
' for :Stop New Spam with ASP
'**************************************
EXAMPLE USE
------------------------
<A HREF="mailto:<%= ASCIICode("a@b.com") %>"><%= ASCIICode("a@b.com") %></A>
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code:
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Terms of Agreement:
By using this code, you agree to the following terms...
1) You may use
this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
2) You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.
3) You may link to this code from another website, but ONLY if it is not wrapped in a frame.
4) You will abide by any additional copyright restrictions which the author may have placed in the code or code's description.
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'**************************************
' Name: Stop New Spam with ASP
' Description:This code takes a submitte
' d email address/string and converts it t
' o standardized ASCII Character codes, th
' us blocking bots/spiders from reading yo
' ur email address, while yet allowing vis
' itors to continue to read and use your p
' roper address via mailto links, etc
' By: Teco
'
' Inputs:Input a String
'
' Returns:Returns an ASCII Encoded Strin
' g
'
'This code is copyrighted and has ' limited warranties.Please see http://w
' ww.Planet-Source-Code.com/vb/scripts/Sho
' wCode.asp?txtCodeId=7677&lngWId=4 'for details. '**************************************
function ASCIICode(strInput)
strOutput = ""
For i = 1 To Len(strInput)
strOutput = strOutput & "&#" & ASC(Mid(strInput, i, 1)) & ";"
Next
ASCIICode = strOutPut
End function
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| Other User Comments |
7/8/2002 10:33:15 AM: Greg
Haha! Very clever! 5 globes from me;)
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7/8/2002 2:35:33 PM: Anil Kumar
superb idea... why didn't I think of that before?
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7/8/2002 11:22:42 PM: Thushan Fernando
5 for being clever and 5 for posting the clever idea... damm thers only upto 5! ahhhwellz! 5goldies!
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7/10/2002 9:14:28 AM: Ben White
good thinking :)
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7/10/2002 2:20:58 PM: Dan Hounshell
Great idea. Thanks for posting it. 5 from me, too.
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7/29/2002 8:43:58 PM: Jose Lopez
Its simple yet powerfull!
"Declare war on spammers"
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11/26/2002 3:01:36 AM:
How do you know all spider can't read the ASCII Character codes.
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1/27/2003 6:41:19 AM:
wouldnt some spammers first render the page then work through the rendered webpage, not the html source, and grab the email that way?
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2/7/2003 2:10:57 AM:
I don´t really get it!. All Good spammers email engines work via mailto command. dynamik pages create mailto command in the email address so this tehnice it can not be used 100%.
Sorry for my english
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2/10/2003 2:29:14 PM: Teco
to Cover all the Response:
1. It would be a waste of resources to have a bot download all the HTML, then render it then re-read it
2. Even if the bot rendered the info, a simple pull of the code would still show A instead of A
3. Sure a bot looks for MAILTO: commands, but pulling MAILTO:#45;#45, etc isn't going to do any good as the mail isn't going to make it to your address.
4. SURE it's possible that a bot could render the code to HTML then re-render it back to readable text. HOWEVER, this is not a typical practice by bots, and 2, what an incredible waste of resources for just one email address.
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5/30/2003 12:47:59 PM:
EXCELLENT!!! This little goodie works perfectly! Love it, love it, love it! Everyone should join CAUCE http://www.cauce.com ...but only if you hate spam like all other humans.
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5/30/2003 12:49:03 PM:
Oops! Make that http://www.cauce.org
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10/7/2007 10:19:09 PM: Matt DeKok
They still can if the bot also searches for the hex version of "mailto:"
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