Amazon.com and Microsoft announced Tuesday that they have jointly filed a federal lawsuit against Ontario-based Gold Disk Canada, accusing the company of misusing Microsoft's Hotmail services and forging Amazon's domain name when sending millions of spam e-mails. Amazon also filed three individual suits against defendants allegedly involved in phishing schemes designed to defraud Amazon customers.

Amazon and Microsoft say, by working together, they hope to eliminate internet fraud scams, including spamming, phishing and e-mail address spoofing, and test technological barriers to prevent future criminal activity. CNET News has more. Read press releases from Amazon (here) and Microsoft (here). Amazon also has catalogued complaints filed by the company in 2003, where Amazon seeks to stop e-mail address spoofing.