Title

Addressing spam after OP25B

Abstract

If we talk about spam measures in Japan, OP25B is one of the major solutions. As result, spam originating from Japan decreased for a while. However, many mail posting servers are being used as platforms recently, for sending out spam and there is a need for a better solution. This session will show analysis of spam based on cooperation of 10 ISPs and overseas vendors, followed by discussions on countermeasures.

Presenters

Takehito Akagiri (Rakuten, Inc.)
Masaki Kase (NIFTY Corporation)
Rihito Kato (BIGLOBE Inc.)
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