Fastmail vs 20i
20i wins on privacy, Fastmail wins on price and Fastmail wins on features. Every fact below was checked on or before 25 October 2026.
Fastmail or 20i: which should you choose?
- Choose Fastmail if you want 50 GB of storage.
| Feature | Fastmail | 20i |
|---|---|---|
| Overall | 3.0 | Not rated |
| Privacy | 2.0 | 2.5 |
| Price | 3.5 | Not rated |
| Features | 5.0 | 4.5 |
| Cheapest plan | Individual $5 a month, yearly | Email hosting Not confirmed |
| Free plan | No | No |
| Storage | 50 GB | 10 GB |
| Your own domain | ✓ Yes | ✓ 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 | Masked email and aliases | 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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Where they differ
- Cheapest plans: Fastmail Individual, $5 a month, yearly. 20i Email hosting, Not confirmed.
- Fastmail comes with 50 GB of storage and 20i with 10 GB of storage.
- Data location: EU (Amsterdam) for UK customers, with a US replica and US backups for Fastmail, United Kingdom for 20i.
- Fastmail is based in Australia and 20i in the United Kingdom, so different privacy laws apply.
- For extra addresses, Fastmail has masked email and aliases and 20i has yes.
Questions people ask
Which is more private, Fastmail or 20i?
20i scores 2.5 out of 5 for privacy and Fastmail 2.
Do Fastmail and 20i work with my own domain?
Yes, both do. Fastmail: Yes. 20i: Yes.
Where do Fastmail and 20i keep my email?
Fastmail keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. 20i keeps it in the United Kingdom.
Price changes and news
Neither price has changed since my first check on 22 October 2026.
The latest headlines: Fastmail news · 20i news.
Alternatives to Fastmail and 20i
Fastmail vs mailbox.org · 20i vs mailbox.org · Fastmail vs Posteo · 20i vs Posteo · Fastmail vs Proton Mail · 20i vs Proton Mail
Moving your email
Moving to Fastmail · Moving from Fastmail. Or see all my switching guides.