April 5, 2006
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OCN Strengthens Antispam Measures
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OCN, NTT Com’s Internet service, has three new measures to protect OCN users from spam mail. The free Automatic Spam Detection service enables users to set their browsers so that if the OCN server suspects incoming mail of being spam, the word “spam” and the percentage of its likelihood of being spam will appear in the subject line. In addition, customers can opt to have this mail automatically sent to a special folder.
Inbound Port 25 Blocking blocks mail that does not go through an ISP server but is sent from a dynamic IP address. The service applies to dynamic IP addresses managed by OCN as well as those managed by other ISPs that OCN has agreements with. The two measures will start from late April.
uRFP (unicast Reverse Path Forwarding) performs a routing table lookup to verify source IP addresses of data sent from other ISPS and OCN networks and block mail from fake addresses, beginning from April 5.
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