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Yahoo! JAPAN Mail

Freemium#57 of 115 in Personal Email Services

Yahoo! JAPAN Mail: A free personal email service with aliases, filtering and calendar registration. Ranked #57 of 115 in Personal Email Services by our editors (6.0/10); pricing: Free plan; best for users wanting free Japanese email with aliases.

6.0/10Editor score

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Yahoo! JAPAN Mail6.0 Visit site

At a glance

Editor score
6.0 / 10
Pricing
Free plan
Best for
Users wanting free Japanese email with aliases
Free plan
Yes
Mailbox storage
10 GB
Facts checked
19 Sep 2026

Where it wins
- Free plan includes 10 GB storage and web and mobile access
- Safety addresses and @ymail.ne.jp addresses provide alias options
- Filtering, virus detection and reservation-message calendar registration
Where it doesn't
- Primarily intended for personal users in Japan
- Virus Check Service renews monthly
- No custom-domain address option

Our verdict on Yahoo! JAPAN Mail

Yahoo! JAPAN Mail is a consumer email service from LINE Yahoo Corporation for Yahoo! JAPAN ID users, primarily intended for personal users in Japan. Its free plan provides 10 GB of mailbox storage and access on the web and through official iOS and Android apps. Message search, folders, automatic filtering and spam protections cover everyday inbox organization, while safety addresses and additional @ymail.ne.jp addresses give users options for creating extra addresses. It suits people looking for a Japanese personal email account rather than a business mailbox.

Alias support is a useful part of the service’s everyday feature set: safety addresses and @ymail.ne.jp additional addresses complement standard message organization and spam filtering. The service also restricts access from overseas connections and can automatically register calendar entries from received reservation messages. Integrations include Gmail, Docomo Mail, au Mail and SoftBank Mail. Those features make Yahoo! JAPAN Mail a reasonable fit for users managing personal correspondence alongside these mail services, particularly if reservation messages are part of their inbox routine.

The Free plan includes web and mobile access and 10 GB storage. The Virus Check Service is a paid add-on that provides server-side virus detection and removal and removes advertising from the Yahoo! Mail interface; it automatically renews monthly. LYP Premium plans can increase storage to unlimited for eligible users. Yahoo! JAPAN Mail is a practical choice for someone seeking free Japanese email with aliases and built-in organization tools. Users who need a custom-domain address should look elsewhere: the My Name Address custom-domain service ended on September 15, 2026.

Your product? Our editors can test Yahoo! JAPAN Mail in depth and publish a review, labelled as paid · from $149/mo →

Yahoo! JAPAN Mail pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 19 Sep 2026.

See plans on mail.yahoo.co.jp

All 2 Yahoo! JAPAN Mail plans and prices →

Yahoo! JAPAN Mail fact sheet

Free plan	Yes
Paid from	Not verified
Mailbox storage	10 GB
Attachment limit	Not verified
Custom domain	No
Email aliases	Yes
Ad-free inbox	Yes
Platform access	Web_mobile_desktop
Deployment	Cloud, Mobile
Platforms	Web, iOS, Android
Integrations	4 integrations: Gmail, Docomo Mail, au Mail, SoftBank Mail
Pricing	Free plan (source)
Website	mail.yahoo.co.jp
Facts checked	19 Sep 2026

Yahoo! JAPAN Mail integrations

Yahoo! JAPAN Mail lists 4 integrations on its own site.

Gmail
Docomo Mail
au Mail
SoftBank Mail

Alternatives to Yahoo! JAPAN Mail

See all Yahoo! JAPAN Mail alternatives →

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Yahoo! JAPAN Mail for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

Yahoo! JAPAN Mail is listed in our Personal Email Services directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update