Mailfence
By ContactOffice Group SA, Belgium
Belgian email service from ContactOffice Group, with built-in OpenPGP, calendar and documents, and a small free plan.
At a glance
- Cheapest plan per year
- €30
- Base, renewal not stated
- Your own domain from
- €42/yr
- Entry
- Works in Apple Mail and Outlook
- Yes
- Yes, on paid plans
- Who can read stored mail
- Only you, if you switch it on
- Only OpenPGP-encrypted messages (opt-in) are unreadable to Mailfence; other stored mail is encrypted with provider-held keys
Good to know
- Encrypted storage is available but off by default
Where it stands among 24
Each fact with every provider's answer. Mailfence is outlined.
Who can read your stored mail
Only you, if switched on
Only you 3
Only you, if switched on 4
The provider can 16
Not stated 1
Ads on the free plan
Free, no ads
Your own domain
On a personal plan
On a personal plan 12
Only on a business plan 3
Not offered 2
Works in Apple Mail and Outlook
On paid plans
Yes, standard IMAP 17
Through a bridge app 1
No, its own apps only 3
Where the company is based
Belgium
European Union 7
Switzerland or Norway 5
Elsewhere 4
Plans and prices
In EUR, as listed by Mailfence on 2026-10-16.
Free
Free
1 GB. 500 MB mail plus 500 MB documents; web only, no IMAP/SMTP/POP/ActiveSync
Base
€30/yr
- People
- 1
- Storage
- 11 GB
- Own domains
- None
- IMAP
- Yes
- Renews at
- Not stated
€2.50/month billed annually; monthly billing unknown. 5 GB mail plus 6 GB documents, 10 aliases. No own domain (Entry is the cheapest with one). Not an introductory price, but renewal not separately stated.
Entry
€42/yr
- People
- 1
- Storage
- Not stated
- Own domains
- Included
- IMAP
- Yes
- Renews at
- Not stated
€3.50/month billed annually. Cheapest plan with custom domains (number not stated).
Who can read your mail
- Provider can't read stored mail
- Only if you switch it onOnly if you switch it on
- Subject lines encrypted
- NoNo
- Encrypted between its own users
- NoNo
- Encrypted mail to outsiders
- YesYes
- Built-in PGP
- YesYes
- Ads on the free plan
- NoNo
- Mail used for ads
- NoNo
- AI and your mail
- Says mail isn't used for profiling, ads or AI
Who you're trusting
- Owner
- ContactOffice Group SA
- Operating company
- ContactOffice Group SA
- Based in
- Belgium
- Mail stored in
- Belgium
- Open-source apps
- NoNo
- Transparency report
- YesYes
- Latest audit
- None published
- Known incidents
- None found
Apps and features
- Web Yes
- iPhone Yes
- Android Yes
- Windows No
- macOS No
- Linux No
- Works in Apple Mail, Outlook, Thunderbird
- Yes, on paid plansYes, on paid plans
- POP3
- YesYes
- Exchange ActiveSync
- YesYes
- Security key or passkey sign-in
- Not statedNot stated
- Authenticator-app 2FA
- YesYes
- Extra addresses
- 10 on Base, 50 on Entry, up to 200
- Hide-my-email aliases
- NoNo
- Catch-all for your domain
- Not statedNot stated
- Calendar
- YesYes
- Contacts
- YesYes
- File storage
- YesYes
- Sieve filters
- Not statedNot stated
- Scheduled send
- Not statedNot stated
- Undo send
- Not statedNot stated
- Import from Gmail or Outlook
- YesYes
- Export your whole mailbox
- Not statedNot stated
- Auto-forwarding
- Not statedNot stated
Compare Mailfence
Sources (12)
- Mailfence KB: who are weVendor, checked 2026-10-16
- Mailfence privacy policyVendor, checked 2026-10-16
- Research summary of the provider's pages (no single link)AI-assisted research, spot-checked, checked 2026-10-16
- Mailfence KB: security analysisVendor, checked 2026-10-16
- Research summary of the provider's pages (no single link)AI-assisted research, spot-checked, checked 2026-10-16
- Mailfence transparency report and warrant canaryVendor, checked 2026-10-16
- Mailfence blog: Base planVendor, checked 2026-10-16
- MailfenceVendor, checked 2026-10-16
- Mailfence knowledge baseVendor, checked 2026-10-16
- Mailfence documentationVendor, checked 2026-10-16
- Mailfence FAQVendor, checked 2026-10-16
- Research summary of the provider's pages (no single link)AI-assisted research, spot-checked, checked 2026-10-16