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flat assembler > Feedback > Privalov you could reduce your spam messages (if any)

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Matrix



Joined: 04 Sep 2004
Posts: 1171
Location: Overflow
if you add at least a space before your email

or

If you'd like to display your email address within your web pages, but are afraid it will be harvested by Spam robots, you can protect yourself. Instead of displaying the usual mailto:you@yourdomain.com, use the following code within your HTML:
<A HREF="mailto:you@yourdomain.com">Contact Us</A>

or make your email address a picture

nice site for webmasters:
http://www.web-source.net


Description: "Contact Us" is a web based contacting PHP script, that is highly effective,
simple and customizable.
Visitors of your site may contact you via email without revealing your email address.
SPAM spiders that scan pages for email

Download
Filename: contactus.zip
Filesize: 11.81 KB
Downloaded: 270 Time(s)

Post 19 Oct 2004, 16:28
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ShortCoder



Joined: 07 May 2004
Posts: 105
Well, there are problems with any method although it is true that simple things like this will probably deter the simplest of spider-based email harvesting.

It is still easy enough for someone to modify their harvesting program such that it searches inside links or converts all "somebody AT something DOT com" to "somebody@something.com", etc, replace with any other simple text scheme. It can be done with a simple lookup table.

A good method, from the point of view of keeping spam-mail harvesters out, is to place the email address as an image, but this is actually very very bad from three points of view.

1: Point of view of making the website/forums accessible to users of text browsers.
2: Point of view of conserving bandwidth.
3: Point of view of visually challenged. Since text in an image does not "resize" well, if a person has poor vision and the image is smaller than that person can see, you have alienated that person.
3b: Colorblind people may not be able to determine differences in colors of the text which may make it difficult to read.

I think the best solution is to have two email addresses, one which is the legit email address towards which to send email, and the other which is for spam-bots ONLY (and is either not visible to the users or has big, bold letters all around saying NOT to email to that address, etc)

Then, all correspondence which comes to the "spam" address can be logged and the email addresses blocked from sending email to the regular address. It is going to require that you run your own email server(s) though.

_________________
Boycott Symantec/Norton/PowerQuest whenever possible
Post 31 Jan 2005, 21:56
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7109
Location: Slovakia
my provider has great antispam filter, i recieve at most two spams a week, usually less.

www.inMail.sk
Post 01 Feb 2005, 09:24
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Matrix



Joined: 04 Sep 2004
Posts: 1171
Location: Overflow
i have a nice working filter Smile
http://38.no-ip.com
administrator email has not recieved any spam yet, without an extra protection.

ps.:this looks like PHP

btw.: i guess there are so many methods to hide email addresses from bots, i think noone will prefer writing an algo for each one. they can harvest the un hidden addresses so efficiently ...
Post 02 Feb 2005, 20:57
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