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SpamStopper is a Web designer's utility that will help keep email address harvesting spambots from grabbing email addresses from your website(s).

It encodes the text of your email address so that it no longer looks like an email address in your HTML, which makes all the current harvesting spambots ignore it when they scan Internet pages.

Basically, indexing spiders look for certain email address-identifying characters, and SpamStopper makes it so that those characters aren't displayed... it's pretty much that simple.

What's New

Version 1.6:
  • Now Universal Binary.
  • Retooled some basic code for faster execution.
  • Fixed a few interface issues here and there.


Mac OS X 10.2 or later

*Previously available here

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SpamStopper User Discussion

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Constantin Member IconReview+1

SpamStopper is one of those applications that any webmaster should not be without. It allows you to mask your mailto addresses on the web to make them less accessible to e-mail scraping web-bots.

In other words, using SpamStopper should cut down on the amount of Spam you receive as a result of posting a e-mail address on your web-site.

The nice thing about SpamStopper is the nnumber of options it gives you. For a long time, the standard response to scrapers was via the use of unicode characters (which work with most/all browsers while shielding the content from many scrapers).

Even better, SpamStopper also allows more secure means via javascripts, etc. However, Javascripts will make your site less accessible, as some browsers have that turned off for security.

Anyway, as the scrapers evolve, so does SpamStopper. The program is well-maintained and does what it claims to do well. The interface is simple and intuitive. Much commercial software could learn a thing or two.

Lastly, using an obfuscating tool like SpamStopper has some negatives. Some web-bots "break" on Unicode and will flood your error log with 404's. Furthermore, SpamStopper is but a single tool. In order to maximize site security, you ought to also use .htaccess, robots.txt, and honeypot files to punish naughty bots.

Reply1 reply
Version 1.4.5
Anonymous Member Icon


If you really were an admin, you'd be able to write a Perl script in LESS THAN 300 BYTES to do better what this monstrosity does in well over a megabyte.

What's really needed is a tool to comb sites and protect them after the fact, automatically ferreting out all mailto's and substituting good obfuscation.

This horse of an application is long dead; the author should freakin' give it up. It does nearly nothing, and does it poorly - what's the point?

BuckSatan Member IconComment+0

Great little app. Works beautifully and feels so powerful to finally be able to mask email addresses on my websites with the click of a button. :)

Higly recommended. And for free, you certainly can't complain either...!

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Version 1.4.5
Anonymous Member IconReview

Works exactly as promised. Since I've started using this software, I haven't received a single piece of spam to the e-mail links I've put on my web sites. Thanks!

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Version 1.4.5
clinton Member IconReview+0

sweetness and light!

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Version 1.4.5
There are no Ratings for this App yet.
> 5 3


Current Version (1.x)


Downloads 7,017
Version Downloads 3,380
Type Internet / Email
License Free
Date 04 Dec 2006
Platform OS X / PPC 32 / Intel 32
Price Free