Mailfence
The facts below are what the maker publishes about Mailfence, checked and dated. Our editors have not written about it yet.
Plans and prices
From Mailfence's own pricing page, checked 15 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | 1 GB total · 500 MB email · 500 MB documents · no IMAP/SMTP/POP |
| Base | $2.50 a month | 11 GB total · 5 GB email · 6 GB documents · 10 aliases · no custom domain or IMAP/SMTP/POP · $30 billed every year |
| Entry | $3.85 a month | 40 GB total · 10 GB email · 30 GB documents · 50 aliases · custom domains · POP/IMAP/SMTP/EAS · $46.20 billed every year |
| Pro | $10.45 a month | 78 GB total · 30 GB email · 48 GB documents · 100 aliases · priority email and telephone support · monthly |
| Ultra | $31.90 a month | 225 GB total · 60 GB email · 165 GB documents · 200 aliases · 10 custom domains · priority support · $382.80 billed every year |
The facts
Each one read from Mailfence's own pages, with the date it was checked.
What it does
- API and extensibility
- Business subscriptions provide an API for account management, while custom deployments can integrate SSO services and white labeling.checked 15 Oct 2026
- Attachment limits
- Incoming messages are limited to 50 MB; outgoing messages are limited to 20 MB on free and 50 MB on Entry, Pro and Ultra.checked 15 Oct 2026
- Calendar
- Calendar supports shared and public calendars, recurring events, reminders, polls and iTIP/iMIP meeting scheduling.checked 15 Oct 2026
- Calendar integrations
- CalDAV works on every plan, including free, with Apple Calendar, Thunderbird, DAVx5, eM Client and Outlook through its synchronizer plugin.checked 15 Oct 2026
- Contacts
- Contacts can be synchronized through CardDAV or Exchange ActiveSync.checked 15 Oct 2026
- Custom domain
- Nochecked 15 Sep 2026
- Data residency
- Mailfence states that its servers are based in Belgium and that it has no foreign parent company.checked 15 Oct 2026
- Digital signatures
- Digital signatures authenticate the sender and protect message integrity.checked 15 Oct 2026
- Documentation
- The knowledge base is organized into account, messages, calendar, documents, contacts, groups, polls, chat, mobile, external-client, encryption and transparency topics, with full application documentation linked.checked 15 Oct 2026
- Documents
- Documents provides online file storage, editing, group sharing, public links and WebDAV access.checked 15 Oct 2026
- Email aliases
- 10checked 15 Sep 2026
- Email encryption
- Browser-side OpenPGP encryption lets users exchange encrypted mail with other OpenPGP services.checked 15 Oct 2026
- Email protocols
- Paid accounts support SMTP, IMAP, POP, ActiveSync and xDAV clients.checked 15 Oct 2026
- End-to-end encryption
- Yeschecked 15 Sep 2026
- Funding
- Mailfence says it is self-funded and operates from subscription revenue without venture capital.checked 15 Oct 2026
- Key management
- The service includes an integrated keystore for creating, importing, publishing and managing OpenPGP keys.checked 15 Oct 2026
- Legal protection
- Mailfence says Belgian law applies and disclosure requires a Belgian court order.checked 15 Oct 2026
- Limit: attachment handling
- A Google Play reviewer requests a download-all or ZIP option for multiple attachments.checked 15 Oct 2026
- Limit: interface
- TechRadar says the interface is functional but dated and clunky, with limited customization.checked 15 Oct 2026
The company
- Company headquarters and size
- LinkedIn lists headquarters in Brussels, Belgium and company size of 11-50 employees.checked 15 Oct 2026
- Company legal name
- Crunchbase lists the legal entity as Mailfence - ContactOffice Group sa.checked 15 Oct 2026
- Founded
- 1999checked 28 Sep 2026
- Headquarters
- Brussels, Belgiumchecked 28 Sep 2026
Money
- Free plan
- Yeschecked 15 Sep 2026
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