Demo, Lite & Pro Versions
Spam Vaccine comes in three versions. Your serial number determines which version you are using. All three versions use the same downloadable files.
You can try Spam Vaccine for free without a serial number. The Demo can vaccinate any page in your Web site but stops working after 15 days.
The Lite version works the same way as the Demo version. It can vaccinate any page, but it can only vaccinate one page at a time. The Lite version is good for people with just a few pages to vaccinate.
The Pro version is for people with large Web sites or many Web sites to vaccinate. The Pro version adds these professional features: