Fastmail for Business vs 20i
20i wins on privacy, Fastmail for Business wins on price and Fastmail for Business wins on features. Every fact below was checked on or before 25 October 2026.
Should you pick Fastmail for Business or 20i?
- Choose Fastmail for Business if you want more room (50 GB, against 10 GB).
| Feature | Fastmail for Business | 20i |
|---|---|---|
| Overall | 3.0 | Not rated |
| Privacy | 2.0 | 2.5 |
| Price | 3.5 | Not rated |
| Features | 5.0 | 4.5 |
| Cheapest plan | Standard $5 per user a month ($4.17 yearly) | Email hosting Not confirmed |
| Free plan | No | No |
| Storage | 50 GB | 10 GB |
| Your own domain | ✓ Up to 100 | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Australia | United Kingdom |
| Your data is kept in | EU (Amsterdam) for UK customers, with a US replica and US backups | United Kingdom |
| Founded | 1999 | Unknown |
| Free trial | 30 days free | Unknown |
| 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 | ✓ Yes |
| Reader offer | Offer 10% off your first year, plus a free trial of up to 30 days | None |
| Last checked | 22 October 2026 | 25 October 2026 |
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How Fastmail for Business and 20i differ
- On price: Fastmail for Business Standard at $5 per user a month ($4.17 yearly), against 20i Email hosting at Not confirmed.
- Space: Fastmail for Business gives 50 GB of storage, 20i 10 GB of storage.
- Fastmail for Business keeps your mail in the EU (Amsterdam) for UK customers, with a US replica and US backups, while 20i keeps it in the United Kingdom.
- The companies sit under different laws: Fastmail for Business in Australia, 20i in United Kingdom.
Fastmail for Business and 20i: your questions
Is Fastmail for Business more private than 20i?
20i scores 2.5 out of 5 for privacy and Fastmail for Business 2.
Can I use my own domain with Fastmail for Business or 20i?
Yes, both do. Fastmail for Business: Up to 100. 20i: Yes.
Where is my email stored with Fastmail for Business and 20i?
Fastmail for Business keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. 20i keeps it in the United Kingdom.
Prices and the latest news
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: Fastmail for Business news · 20i news.
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How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.