E-Post Co., Ltd.

E-Post Co., Ltd. has been developing and providing the Japan-made email server software "E-Post Mail Server" for over 20 years, based on the belief that "email is as critical an infrastructure as core systems."
In response to growing cyber threats and concerns about dependence on foreign cloud services (cloud lock-in), we have remained dedicated to developing on-premises solutions.
E-Post Mail Server offers a highly secure email platform equipped with features tailored to Japanese businesses, government agencies, and municipalities, along with reliable Japanese-language support to prevent data leaks and communication failures.
The system has been highly praised as a comprehensive solution that contributes to stability, security, and operational efficiency in municipal digital transformation (DX).
We remain committed to supporting safer and more sustainable information communication as a critical infrastructure that protects the nation.