Yes, it's true:
Microsoft is now a Platinum Sponsor of the Apache Software Foundation.
Sam Ramji of Port 25 (*) announced the sponsorship at OSCON 2008, the O'Reilly Open Source Convention 2008.
The announcement is worth reading ...
Port 25 is "home to the open source community at Microsoft", as per the site. I had blogged about Port 25 quite a while ago, soon after it had first started.
(*) The name Port 25 is a play on words ( or rather, numbers :-); it is the number of the TCP/IP port used for Internet email (SMTP email).
UPDATE: Here are a couple of other articles about this news:
from The Register
- Vasudev Ram - Dancing Bison Enterprises