MXGuardDog provides a unique approach to spam service in that you can either pay or earn protection.
You can earn credits by linking to them from your site, the first month is ‘trial’ so no need for credits initially.
Here is an example link:
alternative to postini
They give you a couple options to choose from, and I think this is a great approach to people who need spam service for a family or personal email address.
Been using their service for almost a week now; I would recommend them as they were super easy to setup and I haven’t been getting spam while still getting normal mail. It takes a few more moments for email to get passed along (like 10 seconds instead of 3) but that’s not enough of a delay to bother me.
Another Review of their service
I first found out about them through this review: