If you find a website offering a downloadable "2022 Japan Company Email List," proceed with caution.
Some companies use G Suite (now Google Workspace) – but that’s @company-name.jp , not @gmail.com . Same for Microsoft 365 – domain is custom, not @hotmail.com . If you find a website offering a downloadable
Japan has many industry groups (e.g., JEITA for electronics, JFA for food) that provide member directories with official business emails (custom domains). JEITA for electronics
Buying such lists violates anti-spam laws (Japan’s Specific Commercial Transaction Act) and damages sender reputation. If you find a website offering a downloadable
(live music & DJ events) harajuku.groove@yahoo.co.jp