: State who you are, the name of your organization, and why you are reaching out. Keep the subject line concise and informative.
site:.jp "gmail.com" "担当" "2020" filetype:pdf
: Frequently used by professionals requiring Microsoft integration, with hotmail.co.jp remaining a common legacy domain. AOL.com / AOL.jp
Violating these regulations can result in fines up to JPY 300,000 or damage to your brand's reputation in the Japanese market. Deliverability Issues
In Japan, many sole proprietorships ( Kojin Jigyo ), micro-enterprises, and small to medium-sized enterprises (SMEs) do not rely solely on custom corporate domains. Instead, these entities frequently use popular free and public email platforms for their primary business correspondence.
: Professional entities often use .jp suffixes, such as: .co.jp : Strictly for companies registered in Japan. .ne.jp : Used for network service providers. .or.jp : Typically used by non-profit organizations.