New Spam-Busting Schemes
The war on junk mail may get a boost from some new antispam strategies. Yahoo! and Microsoft are pushing ways to authenticate where e-mail messages originate to see if they're legitimate.
Source: PCMagazineYahoo!'s Domain Keys authentication software, available to developers later this year, seeks to authenticate the outbound domains of every e-mail message using unique embedded keys within message headers. The keys would be authenticated through comparison with public keys registered by the Internet's Domain Name System (DNS).
Microsoft's Caller ID for E-mail scheme, announced at February's RSA Security Conference, also calls for domain authentication. Caller ID eyes the IP address of sending mail servers, and senders have to post in the DNS the legitimate IP addresses of sending servers. Receiving mail servers can check the DNS to verify the proper IP addresses.
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