Consent is generally mandatory for electronic marketing under the "Specified Electronic Mail" law.
Targeted outreach to HR or decision-makers by searching for specific corporate domains or job titles.
Every registered Japanese company has a website. Look for: Look for: The search query targets a highly
The search query targets a highly specific and valuable asset for digital marketers, sales professionals, and lead generation experts: a curated, functional list of business contacts in Japan using major public email domains.
By 2022, the "Big Three" of global email—, Yahoo , and Hotmail/Outlook —had solidified their positions in Japan, albeit with a local twist. Data Cleaning and Verification Steps Large-scale scraping or
If you find a site offering a "2022 current email list" for download, proceed with extreme caution:
The search for specific databases of Japanese company email addresses using generic providers like and lead generation experts: a curated
Publicly available business emails listed on websites alongside an invitation for business inquiries are sometimes exempt, but pure consumer accounts (like personal Gmails) must never be spammed. Data Cleaning and Verification Steps
Large-scale scraping or purchasing unverified lists often leads to high bounce rates and legal risks. Instead, professionals use these verified methods:
While free domains are prevalent among micro-businesses, established corporate entities in Japan view domain extensions as a matter of trust and compliance.