LinuxMagic had been developing tools for spam protection for mail servers for several years. We concentrate on methods that can be used to identify spam before you accept the data. Some of these techniques are used in our own 'Mail Server Profiling' technologies, and some can be applied to other mail servers.
Feel free to contact our offices, if you feel that you would like help integrating some of these technologies into your own products, or if you wish more partnering information.
The main 4 causes of spam that still remain a challenge for most operators are:
Other causes that should be mentioned:
Again, had rate limiters been deployed on the mail server, they would catch this
For information pertaining to business development, partnering, investors or press relations, please visit the parent company website, http://www.wizard.ca, or contact us at info@linuxmagic.com
Check IP address against supported reputation lists.