Google isn’t allowing itself to be put in the same situation as other e-mail providers in regard to phishing attacks. In October of last year, they implemented Yahoo’s DomainKeys e-mail source verification ( a month before Yahoo did, but that’s Google for you). Now they’re using a proprietary engine to tag suspicious messages coming in to Gmail accounts.

When a Gmail user opens a suspected phishing message, the software displays a large red dialog box stating: “Warning: This message may not be from whom it claims to be. Beware of following any links in it or of providing the sender with any personal information.” The service also provides a hyperlink to information on Gmail’s help pages about e-mail fraud.

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