Free
Free
Yahoo! JAPAN ID registration and access · 10 GB mailbox storage · Web and mobile app access
Checked 19 Sep 2026
Plans and prices
Yahoo! JAPAN Mail pricing
Virus Check Service
Not listed
Server-side virus detection and removal · Advertising is removed from the Yahoo! Mail interface · Automatically renews monthly
Checked 19 Sep 2026
Yahoo!メール（無料）
Free
Mailbox starts at 2GB and can grow to 10GB · 25MB maximum per email · mailbox may be suspended after 6 months without use
Checked 11 Oct 2026