Fastmail vs mailbox.org
On privacy it's mailbox.org. On price it's mailbox.org. On features it's a tie. Here's everything side by side, last checked 22 October 2026.
Fastmail or mailbox.org: which should you choose?
- Fastmail is the better pick if you want more room (50 GB, against 20 GB) and a provider that's been going since 1999.
- Choose mailbox.org if you want to pay less: €3 a month, yearly (from summer 2026); features the other lacks, like PGP encryption as well as password-protected email to anyone; and open-source apps anyone can check.
| Feature | Fastmail | mailbox.org |
|---|---|---|
| Overall | 3.0 | 4.5 |
| Privacy | 2.0 | 4.5 |
| Price | 3.5 | 4.0 |
| Features | 5.0 | 5.0 |
| Cheapest plan | Individual $5 a month, yearly | Standard €3 a month, yearly (from summer 2026) |
| Free plan | No | No (30-day trial) |
| Storage | 50 GB | 20 GB |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | Optional (PGP or encrypted storage) |
| Company based in | Australia | Germany |
| Your data is kept in | EU (Amsterdam) for UK customers, with a US replica and US backups | Germany |
| Founded | 1999 | 2014 |
| Free trial | 30 days free | 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 | Masked email and aliases | Yes |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | ✓ Yes |
| White label | No | No |
| Reader offer | Offer 10% off your first year, plus a free trial of up to 30 days | None |
| Last checked | 22 October 2026 | 22 October 2026 |
Want to add another? Open this in the compare tool.
How Fastmail and mailbox.org differ
- Cheapest plans: Fastmail Individual, $5 a month, yearly. mailbox.org Standard, €3 a month, yearly (from summer 2026).
- Fastmail has no free plan; mailbox.org has no free plan.
- Space: Fastmail gives 50 GB of storage, mailbox.org 20 GB of storage.
- Data location: EU (Amsterdam) for UK customers, with a US replica and US backups for Fastmail, Germany for mailbox.org.
- The companies sit under different laws: Fastmail in Australia, mailbox.org in Germany.
- On encryption, Fastmail doesn't encrypt mail end to end, whereas mailbox.org offers optional encryption (PGP or encrypted storage).
- Aliases: Fastmail offers masked email and aliases, mailbox.org yes.
Fastmail and mailbox.org: your questions
Is Fastmail more private than mailbox.org?
mailbox.org scores 4.5 out of 5 for privacy and Fastmail 2. mailbox.org gives you open-source apps anyone can check and an account that doesn't need your phone number or ID.
Is Fastmail cheaper than mailbox.org?
mailbox.org is cheaper. Its Standard plan is €3 a month, yearly (from summer 2026), against $5 a month, yearly for Fastmail's Individual. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Fastmail or mailbox.org?
Yes, both do. Fastmail: Yes. mailbox.org: Yes.
Where is my email stored with Fastmail and mailbox.org?
Fastmail keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. mailbox.org keeps it in Germany.
Recent price changes
- 1 September 2026 mailbox.org: €3.00 (announced 15 July 2026)
- 1 June 2026 mailbox.org: €2.50
The latest headlines: Fastmail news · mailbox.org news.
Not sold on either? Try these
Fastmail vs Posteo · mailbox.org vs Posteo · Fastmail vs Proton Mail · mailbox.org vs Proton Mail · Fastmail vs Tuta · mailbox.org vs Tuta
Switching between them
Decided? These guides take you through moving your mail, contacts and address: Fastmail to mailbox.org · mailbox.org to Fastmail.