Method for restricting delivery of unsolicited E-mail
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United States of America Patent
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Feb 10, 2004
Grant Date -
N/A
app pub date -
Mar 10, 2000
filing date -
Mar 10, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method and computer program operative in an e-mail server for reducing unsolicited e-mail in an enterprise computing environment. According to the invention, e-mail is accepted for delivery to e-mail clients only if it is from an address that has been verified by an e-mail server and/or approved by a recipient. When an e-mail from a particular address is received at the e-mail server for the first time, the server automatically issues an e-mail to the address to request that the sender verify the authenticity of the original message. If a return acknowledgement is received within a given time period, the e-mail is deemed to be authentic and delivered to its intended recipient within the enterprise. Mail messages from previously-verified addresses need not be rechecked.
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