au Mail
The facts below are what the maker publishes about au Mail, checked and dated. Our editors have not written about it yet.
Plans and prices
From au Mail's own pricing page, checked 19 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Standard au Mail | — | Available to au mobile customers with 5G NET or LTE NET · Web Mail access is included without an additional charge · Supports au.com and ezweb.ne.jp addresses |
| au Mail Portability | — | Keeps an au.com or ezweb.ne.jp address after cancelling au service · Includes spam filtering and automatic forwarding · Provides 400 MB or 5,000 messages with unlimited retention |
| auメール | Free | 通信料が必要 · 5G NETまたはLTE NETへの加入が必要 · 月額利用料 無料 |
The facts
Each one read from au Mail's own pages, with the date it was checked.
Where it runs
- Android app
- The auメール app is available for supported au Android smartphones and tablets, with distribution through Google Play for models released from summer 2020 onward.checked 11 Oct 2026
- Platform access
- web_and_mobilechecked 19 Sep 2026
What it does
- Automatic deletion
- Messages that exceed mailbox storage limits are deleted starting with the oldest, and messages in the trash may be automatically deleted after 45 days.checked 11 Oct 2026
- Compatibility limit
- Webメール is unavailable to users of the mamorino, mamorino2, and mamorino3 devices.checked 11 Oct 2026
- Custom domain
- Nochecked 19 Sep 2026
- Email service
- auメール provides email addresses using the @au.com or @ezweb.ne.jp domains.checked 11 Oct 2026
- Filters
- Users can save filter conditions to display only emails that match them.checked 11 Oct 2026
- iPhone and iPad
- The service supports iPhone and iPad email apps, and Webメール can be used from a tablet browser.checked 11 Oct 2026
- Mailbox limits
- For au smartphones and 4G LTE phones, normal use provides 200 MB, 500 messages, and 30 days; Webメール increases this to 400 MB and 5,000 messages, or 1 GB and 20,000 messages for Ponta Pass members.checked 11 Oct 2026
- Mailbox storage
- 0.4checked 19 Sep 2026
- Mail organization
- The auメール app supports creating folders, manually or automatically sorting messages, and setting notification sounds by folder.checked 11 Oct 2026
- Organization
- The official au page identifies KDDI Corporation as its copyright holder.checked 11 Oct 2026
- Phishing protection
- KDDI says it introduced DMARC and DKIM authentication to suppress spoofed mail and BIMI icons to help identify official senders.checked 11 Oct 2026
- Web access
- Customers can access auメール from a PC or tablet browser by logging in with an au ID.checked 11 Oct 2026
- Web eligibility
- Webメール is available without an additional fee to customers with an au mobile phone or tablet and LTE NET or 5G NET.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 19 Sep 2026
The company
- Headquarters
- Tokyo, Japanchecked 28 Sep 2026
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