About us – joewein.de LLC
We're a software company based in Tokyo, Japan. We specialize in solutions to address spam and online fraud.
Our main products are jwSpamSpy, a powerful anti-spam
solution and the data that we extract using it.
jwSpamSpy was developed by Joe Wein, a commercial software developer since 1980 who has has worked for major multi-national software companies. He is a well-known anti-spam activist.
joewein.de LLC is a major data provider for SURBL, an anti-spam service listing spam websites. We also supply PhishTank.org with live anti-phishing data.
We cooperate with law enforcement and anti-fraud activists worldwide, including: