Onet Poczta
Onet Poczta: A flexible personal mailbox for Polish users who want broad client support. Ranked #32 of 115 in Personal Email Services by our editors (6.0/10); pricing: Free plan; best for polish users needing broad client support.
At a glance
- Editor score6.0 / 10
- PricingFree plan
- Best forPolish users needing broad client support
- Free planYes
- Facts checked22 Sep 2026
Where it wins
- Free access with aliases, smart folders and spam filtering
- Works on web, desktop, Android and iOS
- IMAP access plus contacts and calendar support
Where it doesn't
- Custom-domain accounts require Onet Poczta Plus
- Attachments are limited to 50 MB
- The service is proprietary rather than open source
Our verdict on Onet Poczta
Onet Poczta is a personal email service operated by Ringier Axel Springer Polska sp. z o.o. It combines browser-based webmail with Android and iOS applications, desktop access, and support for compatible email programs. Its audience is individual users and small teams who want a Polish email service with aliases, contacts, calendar tools, automatic message sorting and spam protection. Two-factor authentication options add an account-security control, while IMAP access supports users who prefer a separate mail client.
The service uses a freemium structure. Onet Poczta Free provides a free account, while the paid Onet Poczta plan provides a paid account. Onet Poczta Plus adds premium account features, no advertising mailings and custom-domain support. The published plans also describe expanded mailbox capacity for paid versions, while the free mailbox capacity is 15 GB. A 50 MB attachment limit applies, so users regularly sending larger files may need another way to share them. For a personal mailbox, the free tier covers core email needs; Plus is the relevant choice for custom domains or an ad-free experience.
Platform coverage is one of Onet Poczta’s clearest strengths. Users can access it through web, Windows, macOS, Linux, Android and iOS, or connect supported clients such as Microsoft Outlook and Mozilla Thunderbird through IMAP. Integration with Onet Contacts and Onet Calendar keeps related personal information within the same service. Choose Onet Poczta if broad access options and practical organization features matter more than an open-source product. Users who need larger attachments, a custom domain without the Plus tier, or a different ecosystem may prefer an alternative.
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Onet Poczta pricing
All 3 Onet Poczta plans and prices →
Onet Poczta fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Mailbox storage | Not verified |
| Attachment limit | 50 MB |
| Custom domain | Yes |
| Email aliases | Yes |
| Ad-free inbox | Yes |
| Platform access | Web_mobile_desktop |
| Deployment | Cloud, Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux, iOS, Android |
| Support | Email, Phone, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 6 integrations: Microsoft Outlook, Mozilla Thunderbird, Android email clients, iOS email clients, Onet Contacts, Onet Calendar |
| Pricing | Free plan (source) |
| Website | poczta.onet.pl |
| Facts checked | 22 Sep 2026 |
Onet Poczta integrations
Onet Poczta lists 6 integrations on its own site.
- Microsoft Outlook
- Mozilla Thunderbird
- Android email clients
- iOS email clients
- Onet Contacts
- Onet Calendar
Alternatives to Onet Poczta
- GmailA capable free inbox with shared Google storage and a paid path to more space.9.4
- Outlook.comA capable free email service with useful organization tools and Microsoft 365 upgrades.9.2
- Proton MailA privacy-focused email service with strong encryption, migration tools, and broad platform coverage.9.0
See all Onet Poczta alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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