According to a report by Internetnews.com, America Online (aol.com) has reversed course and returned to the Microsoft-backed (microsoft.com) Sender ID camp just over a month after it withdrew its support.
Sender ID is an anti-spam protocol aimed at thwarting email spoofing. Sender ID requires DNS records to be published by outbound mail servers. It verifies that each email message originates from the Internet domain it claims to come from based on the sender’s server IP address. The technology combines Microsoft’s former Caller ID with Sender Policy Framework, a protocol written by Meng Weng Wong.
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