Before launching an email campaign to addresses found through these methods, you must understand Japan's strict anti-spam laws.
Using free, personal email accounts for business is considered a security risk. If such an account is compromised, a malicious actor can gain access to sensitive business correspondence and potentially send fraudulent emails from a trusted (but compromised) account. Before launching an email campaign to addresses found
Do not cold-email a Japanese company using a @gmail.com sender address. They will reject it as spam or phishing. You need your own corporate domain or a recognized Japanese email provider (like @i.softbank.jp for mobile). Do not cold-email a Japanese company using a @gmail
This article will explain your 2020 search failed, what the actual current contact points for Japanese companies were in 2020, and how to pivot your strategy to find valid, deliverable professional email addresses. This article will explain your 2020 search failed,
: Many Japanese solo-proprietors or very small firms (SMEs) use addresses like companyname@gmail.com
Every .co.jp domain requires a registered administrative contact. You can perform a WHOIS lookup on a Japanese domain via JPRS (Japan Registry Services). The admin contact often has a valid @gmail.com for personal backup , but the technical contact will have the company’s real domain. Use this to triangulate.
You may generally send B2B emails if the email address is publicly listed on a website alongside a clear indication that it is for business inquiries. However, if the site states "No sales emails" (営業メールお断り), you must honor that restriction.