[jonknee]

Yes, they bought best of breed spam filtering technology and gave it way for free to the whole world. It was a great acquisition.

[rednaught]

Google charges for Postini's standalone service. Their integration of Postini's function into Gmail and it being "free" in exchange for some of your freedoms is the entire point of this discussion and the mailing list post.

[jonknee]

The OP said they should license it (the spam filtering portion specifically). They do. If you don't want to pay you can also use it for free. Simply put, I don't see his point.

[eitally]

Gmail doesn't use Postini for security/filtering. That's all Google/Gmail.