However, I can explain why such a list would be for legitimate companies:
If you find a "Japanese Supplier" contacting you from an AOL address, you are likely dealing with a "Yamada-kun" scam—a scammer pretending to be a legitimate Japanese entity to extract advance fees or phish for data.
For businesses in Japan, while global providers like and Outlook are widely used, many small-to-medium enterprises and local shops still utilize a mix of international free webmail, Japanese ISP-provided addresses, and local domain extensions. Common Free and Professional Email Suffixes (2020)
Legitimate, registered companies operating in Japan almost exclusively use the .co.jp domain suffix. This domain is strictly regulated. Only registered corporations (Kabushiki Kaisha, Godo Kaisha, etc.) can secure a .co.jp address, and a company can only hold one. However, I can explain why such a list
Below are examples of Japanese-related professional contacts and resources as of 2020–2022 that utilize the email domains you mentioned: Professional Contacts using Free Domains : Sakura Hori : sakura.hori13@gmail.com (London-based Japanese tutor). An Matsuoka : dxjancky@gmail.com (Professional Japanese teacher). Governmental & Institutional Representatives : Suon Prasith
yahoo.co.jp is significantly more prevalent in Japan than the global yahoo.com .
Japan has some of the strictest anti-spam and data protection laws in the world: This domain is strictly regulated
, used by over 470,000 registered organizations, global providers like dominated the broader market share. 株式会社日本レジストリサービス（JPRS） Dominant Email Domains in Japan (2020) Gmail (gmail.com)
If you found a @aol.net address for a Japanese company in 2020, it is a honeypot or a data entry error from 1998.
Focusing your search on "gmail.com" or "hotmail.com" when looking for Japanese company contacts can be a strategic move for several reasons: An Matsuoka : dxjancky@gmail
If you are still looking for valid contacts from 2020 (or current data), delete your old keyword and use these verified methods:
What of Japanese companies are you targeting?