You generally cannot send commercial emails to individuals or businesses without their prior consent.
If you build custom scraping scripts to extract text from public Japanese corporate directories: Extract the company name and official URL.
Every marketing email must clearly display the sender’s real name, physical address, and a functional opt-out mechanism. Act on the Protection of Personal Information (APPI)
The following are some popular email service providers used by companies in Japan: You generally cannot send commercial emails to individuals
For modern industries, tech companies, and international businesses in Japan, is an excellent tool for identifying decision-makers. For local startups and younger Japanese companies, Wantedly is a widely used professional networking and recruiting platform where company profiles are actively maintained.
: General Japan domains, used by all types of local entities.
Local Japanese community sites (e.g., Machikomi JP, Jimoty) were goldmines in 2020. Small business owners in cleaning, tutoring, and catering frequently posted ads with @hotmail.com or @gmail.com asking for customers. Scrape these ads (respecting robots.txt) to compile a highly targeted local list. Act on the Protection of Personal Information (APPI)
The email addresses listed in this article are current as of 2020 and are subject to change. It's always a good idea to verify the email addresses with the company's website or other reliable sources to ensure accuracy.
Searching for specific lists of "2020 current email addresses" often leads to outdated or potentially unverified databases
Targeted search strings can uncover publicly available business contacts. Local Japanese community sites (e
Major global domains like hotmail.com or aol.com are exceptionally rare in professional Japanese environments. The Role of Contact Forms
The keyword targets these specific domains because corporate catch-all addresses (e.g., @toyota.co.jp ) are often spam-filtered or unmanned. Personal domains are frequently monitored directly by decision-makers.
site:tokyo-cci.or.jp "gmail.com" (Searches regional Chamber of Commerce directories for members utilizing public mail suffixes)