Monday, February 26, 2007
Open-source antispam tool for Microsoft Outlook
- More sophisticated trapping of "word salad" spam -- i.e., email containing nonsense phrases or gibberish -- to disguise an image attachment that contains the actual spam. This has become a fairly major variety of spam, and not easy to filter.
- Looking for the presence of Habeas headers to determine if email is valid.
- Experimental support for image extraction and optical character recognition (OCR) to determine if images contain textual spam (also known as the "crack-images" option). This option relies on the ocrad and Python Imaging libraries and is only being minimally supported at this time; there's controversy about whether this is a valid way to handle the problem.
- Many small fixes to the Microsoft Outlook plug-in.
The funny thing is I suspect that most spammers will download this software before end-users...