Mailfence vs Fastmail for Business
Mailfence wins on privacy, Mailfence wins on price and Fastmail for Business wins on features. Every fact below was checked on or before 22 October 2026.
Should you pick Mailfence or Fastmail for Business?
- Mailfence is the better pick if you want to pay less: €3.50 a month; a free plan to start on; and more built in, including PGP encryption as well as pay with cash or crypto.
- Fastmail for Business suits you best if you want more room (50 GB, against 10 GB) and a company with a longer track record (since 1999).
| Feature | Mailfence | Fastmail for Business |
|---|---|---|
| Overall | 4.0 | 3.0 |
| Privacy | 3.5 | 2.0 |
| Price | 4.0 | 3.5 |
| Features | 4.5 | 5.0 |
| Cheapest plan | Entry €3.50 a month | Standard $5 per user a month ($4.17 yearly) |
| Free plan | Yes, 500 MB–1 GB, no own domain | No |
| Storage | 10 GB | 50 GB |
| Your own domain | ✓ Yes | ✓ Up to 100 |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Belgium | Australia |
| Your data is kept in | Belgium | EU (Amsterdam) for UK customers, with a US replica and US backups |
| Founded | 2013 | 1999 |
| Free trial | Free plan | 30 days free |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes | Yes |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | No | No |
| Reader offer | None | Offer 10% off your first year, plus a free trial of up to 30 days |
| Last checked | 22 October 2026 | 22 October 2026 |
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The key differences
- Mailfence's cheapest plan is Entry (€3.50 a month); Fastmail for Business's is Standard ($5 per user a month ($4.17 yearly)).
- For free, Mailfence gives you a free plan (500 MB–1 GB, no own domain), and Fastmail for Business no free plan.
- Mailfence comes with 10 GB of storage and Fastmail for Business with 50 GB of storage.
- Data location: Belgium for Mailfence, EU (Amsterdam) for UK customers, with a US replica and US backups for Fastmail for Business.
- Mailfence is based in Belgium and Fastmail for Business in Australia, so different privacy laws apply.
- Mailfence offers optional encryption (PGP or encrypted storage); Fastmail for Business doesn't encrypt mail end to end.
Common questions
Which is more private, Mailfence or Fastmail for Business?
Mailfence scores 3.5 out of 5 for privacy and Fastmail for Business 2.
Which is cheaper, Mailfence or Fastmail for Business?
Mailfence is cheaper. Its Entry plan is €3.50 a month, against $5 per user a month ($4.17 yearly) for Fastmail for Business's Standard. Mailfence also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Do Mailfence and Fastmail for Business work with my own domain?
Yes, both do. Mailfence: Yes. Fastmail for Business: Up to 100.
Where do Mailfence and Fastmail for Business keep my email?
Mailfence keeps it in Belgium. Fastmail for Business keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups.
Price changes and news
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Mailfence news · Fastmail for Business news.
Alternatives to Mailfence and Fastmail for Business
Mailfence vs mailbox.org · Fastmail for Business vs mailbox.org · Mailfence vs Posteo · Fastmail for Business vs Posteo · Mailfence vs Proton Mail · Fastmail for Business vs Proton Mail
How to switch
Moving to Mailfence · Moving from Mailfence. Or see all my switching guides.