Emailias
- http://www.emailias.com/
- A service that allows a person to generate new e-mail aliases to give to websites that want contact information.
Graphic @ for Spam Prevention
- http://jamesthornton.com/software/graphic@.html
- Prevent e-mail siphons from harvesting your e-mail address by not using the commercial "@" character when displaying your e-mail address on a Web page; use a graphical "@" instead. Examples in Perl, OpenACS, PHP, and ColdFusion.
MessageDefense, LLC
- http://www.messagedefense.com
- Offers services to businesses by acting as an agent between senders and recipients to prevent spam and other insecure email. Includes links to news on spam.
MessageLevel
- http://www.messagelevel.com
- The company that invented true Message Level Authentication for e-Mail. Provides an overview of the concept, product descriptions, how to get it for your organization and how to become a partner.
No Spam Email
- http://www.venuemail.us/
- Private email address with your own domain and unlimited aliases prevents spammers from obtaining real email address.
Spam Vampire
- http://thescambaiter.com/antispam/
- Aims to educate how spammers pay for bandwidth and how spam victims can fight back by endlessly loading their graphics to cost spammers money. Includes examples and customizable pages a victim can tailor to target specific spammers.
Spambot Beware
- http://www.turnstep.com/Spambot/
- How to avoid, detect and harass spambots. Spambots are programs that extract email addresses from web pages, which are then used as targets for spam.
Wikipedia - CAPTCHA
- http://en.wikipedia.org/wiki/CAPTCHA
- Explains how captcha features can keep spammers from signing up for certain accounts online, such as email or weblogs. Explains how the system can be circumvented as well.
unspam
- http://www.unspam.com/
- A consulting company for businesses and governments promoting do-not-email registries. Includes spam news and articles.