Fastmail EU Data Storage: New Amsterdam
Fastmail Launches EU Data Region: Amsterdam Hosting for GDPR-Focused Users
Fastmail, the independent email provider based in Melbourne, Australia, has launched a dedicated European data centre in Amsterdam. Customers can now choose to keep the primary copy of their email, contacts, and calendar data inside the European Union. For a company that previously stored every account in the United States, this is a structural change, not a marketing tweak. The shift matters for European businesses, privacy-conscious individuals, and anyone trying to satisfy GDPR requirements without moving their entire stack to a hyperscaler.
Why an EU Data Region Matters in 2026
The launch, announced in July 2026, gives Fastmail customers a choice that most email providers still refuse to offer: decide where the primary copy of your data lives. According to Fastmail’s announcement, previously all accounts were stored entirely in the US. Now users can select the EU as their primary region, placing their live mailbox data on Fastmail’s own servers in Amsterdam.
This is not a trivial feature for the compliance crowd. Data residency is a hard requirement for many European organisations. German companies bound by GDPR’s territorial rules, public-sector bodies in the Netherlands and France, and firms that handle personal data under strict processing agreements all face pressure to keep data inside EU borders. Fastmail’s move is aimed squarely at that demand.
The timing is significant. The Court of Justice of the European Union has repeatedly scrutinised the legal basis for sending personal data to the US, and in its December 2025 judgment in Case C-492/23, the court ruled that operators of online marketplaces can be held legally responsible for how personal data is handled on their platforms. That decision could reshape compliance obligations of online platforms across Europe. A provider that can point to an in-region primary copy has a simpler story to tell a data protection authority than one routing everything through US servers.
What Fastmail Built in Amsterdam
The Amsterdam facility is not a rented slice of a hyperscaler’s cloud. Fastmail’s CEO Bron Gondwana explained in the company’s launch post that the team installed its own servers, co-located in a secure facility, configured by Fastmail’s own engineers. The hardware is specified down to the exact model of disks in each machine, matching the standards of the company’s existing infrastructure in Philadelphia and St Louis.
That distinction matters. Most email providers, including many privacy-focused ones, run on rented infrastructure from AWS, Google Cloud, or Microsoft Azure. Fastmail’s approach keeps the entire stack under its own control: servers, software, physical security, and encryption keys. In all locations, data is stored encrypted at rest inside locked racks, managed by Fastmail’s in-house team.
This is the same philosophy the company has applied for more than 25 years. The argument is that renting compute and management services from a big cloud provider means passing along that provider’s assurances rather than owning the security posture directly. It is a defensible position, though it also means Fastmail carries the full operational burden of its own data centres, with no hyperscaler SLA to lean on.
How Data Flows: Primary Copies, Replicas, and Fallbacks
Understanding the data architecture is essential before you commit to a region, because “your data lives in EU” is not the whole story. Fastmail is transparent about the details, which is refreshing in an industry that usually hides this kind of thing.
For an account in the EU region:
- Primary copy lives in Amsterdam. The main, live copy of your mail and files sits on Fastmail’s own servers in the Netherlands.
- Incoming mail routes to EU servers by preference if you use your own domain with Fastmail’s nameservers, or an address on one of Fastmail’s EU-region domains.
- Apps connect to EU servers day to day. Desktop, web, and mobile clients talk directly to Amsterdam infrastructure, with automatic fallback to the US location if EU servers are unavailable.
- Resilient replicas live in the US, for now. Because Fastmail only has one European location so far, a geographically separate copy sits on servers in one of its US locations.
Some data is replicated to all sites regardless of region. This includes email addresses and other user metadata, storage for websites and the standalone Files feature, and details of linked third-party services. System logs are consolidated in the US for monitoring and support. Emergency backups for every account are stored in Philadelphia, encrypted, and taken every few hours.
Fastmail is explicit about the trade-off: if what you need is a guarantee that your data remains only in the EU, it does not offer that. The company says it would rather tell you directly than let you assume otherwise. That honesty is the single most useful thing in the announcement for compliance officers.
GDPR Compliance and Data Sovereignty: What Fastmail Does and Does Not Guarantee
Fastmail frames the EU region as a GDPR-friendly option, and the framing is mostly accurate, with caveats. The GDPR does not require data to be stored in the EU, but it does require that transfers of personal data to third countries have a lawful basis. Keeping the primary copy in the EU simplifies that analysis considerably for organisations whose data is subject to GDPR.
What Fastmail does not offer is a clean “EU only” guarantee. The company is explicit that resilient replicas of your data live in the US, emergency backups are in Philadelphia, system logs are consolidated in the US, and some metadata is replicated across all sites. If your compliance requirement is that no personal data leaves the EU under any circumstances, Fastmail’s EU region does not meet that bar.
There is also the legal jurisdiction question. Fastmail is an Australian company, subject to Australian law, including legal-cooperation treaties with other countries. The company states that wherever your data is stored, it will respond the same way to lawful requests from relevant authorities. That is a meaningful consideration for organisations with strict data-sovereignty policies that extend beyond geography to legal systems that can compel disclosure.
The GDPR compliance picture is therefore nuanced. For many European businesses, the EU region is a substantial improvement over US-only storage. For organisations with the strictest requirements, it is not a complete solution.
Trade-offs: Latency, Replicas, and the Australian Legal Frame
Choosing the EU region involves real trade-offs beyond the compliance picture. The first is latency. European users connecting to Amsterdam will see slightly different performance than they would connecting to US servers, though the difference is usually negligible for email workloads. The second is the replica architecture: because your live copy is in Amsterdam but replicas and backups sit in the US, a full data-residency reading is impossible.
There is also the question of migration speed. Fastmail pre-selected users with billing addresses in or near Europe for the EU region, transferring an encrypted copy of their data to Amsterdam in advance of the announcement. If you were not in that initial group, moving to the EU region requires syncing every email across the ocean, which is slower. Moving back to the US is faster because a copy already exists there.
Independent reviews of Fastmail are mixed. The RestorePrivacy review for 2026 was notably unimpressed, arguing Fastmail is not the best choice for most users. The review’s criticisms centre on pricing and feature set relative to alternatives, not on the security posture of the new EU region, which post-dates much of that analysis. Long-time users frequently cite Fastmail’s reliability and its commitment to open standards like JMAP, the open sync protocol Fastmail helped develop.
Fastmail’s choice of Amsterdam is also worth noting against the broader European hosting landscape. Amsterdam is one of Europe’s largest data centre hubs, with strong connectivity and a mature colocation market. It is a sensible location for a single EU presence, though it means users in Southern or Eastern Europe are connecting to a facility in the north-west of the continent.
Fastmail vs. Other Privacy-Focused Providers
| Provider | EU data residency option | Infrastructure ownership | Primary EU location | Source |
|---|---|---|---|---|
| Fastmail | Yes, user-selectable region | Own hardware, not rented cloud | Amsterdam | Fastmail launch post |
| Proton Mail | Yes, Swiss-based | Own infrastructure, Swiss jurisdiction | Switzerland | See vendor documentation |
| Google Workspace | Region selection for enterprise plans | Rented from Google Cloud | Multiple EU regions | See vendor documentation |
| Microsoft 365 | EU Data Boundary for enterprise | Rented from Microsoft Azure | Multiple EU regions | See vendor documentation |
The table highlights a key distinction. Fastmail and Proton both run their own infrastructure, while Google and Microsoft rent from their own cloud platforms. The difference matters for compliance teams because it changes who bears responsibility for the physical and logical security of the hardware. With Fastmail, the answer is unambiguous: Fastmail owns it.
Proton’s Swiss location is a different legal frame from Fastmail’s Amsterdam, and Switzerland is not an EU member state, which has its own implications for GDPR adequacy. Fastmail’s Amsterdam location is inside the EU proper, which simplifies GDPR analysis for organisations that need in-EU storage.
Switching Regions and What to Watch Next
Switching regions is a self-service operation. In Settings, go to Users & Sharing, then Team Settings, and look below the GDPR section for the Data residency option. Pick your location and Fastmail moves your primary copy, showing status as queued, transferring, then done. Your account keeps working throughout the migration. You can change your mind and move back, though Fastmail notes it may place reasonable limits on how frequently you can change region.
For businesses evaluating Fastmail against the broader market, the practical questions are: does your data need to stay in the EU, and is a US replica acceptable? If the answer to the first is yes and the second is no, Fastmail’s EU region is not sufficient. If a primary-in-EU arrangement with US replicas satisfies your compliance needs, this is one of the more transparent implementations available.
Several developments are worth watching. Whether Fastmail adds more European locations to reduce reliance on US replicas is the biggest one. The company’s language, “for now,” attached to the US replica arrangement, suggests expansion is on the roadmap. Also watch how Fastmail’s transparency report evolves, since the company’s handling of lawful requests across jurisdictions will determine whether the EU region delivers on its privacy promise in practice.
The broader trend is clear: independent email providers are responding to data-residency demand in ways big platforms are only starting to match. Fastmail’s Amsterdam launch is a meaningful step, but it is also a reminder that “data in EU” is rarely a simple binary. The details of replicas, backups, logs, and jurisdiction always matter, and Fastmail deserves credit for publishing them.
Key Takeaways
- Fastmail now offers a user-selectable EU data region with the primary copy of mail, contacts, and calendar data stored on its own servers in Amsterdam.
- The Amsterdam facility is built and managed by Fastmail’s own engineers, not rented from a hyperscaler, with data encrypted at rest.
- Resilient replicas and emergency backups still live in US locations, and some metadata is replicated across all sites, so full EU-only storage is not offered.
- Fastmail is an Australian company subject to Australian law, which matters for organisations with strict data-sovereignty policies.
- Region switching is self-service with no surcharge, and the company has hinted at future European expansion.
FAQ
What is the Fastmail EU data region?
The EU data region is a hosting option that places the primary copy of your Fastmail email, contacts, and calendar data on Fastmail’s own servers in Amsterdam, inside the European Union.
Does Fastmail charge extra for the EU region?
No. Fastmail states it considered a surcharge for choosing the EU region but decided against it, saying the choice should belong to the customer without an additional fee.
Is my data stored only in the EU with Fastmail’s EU region?
No. The primary copy is in Amsterdam, but resilient replicas live in US locations, emergency backups are in Philadelphia, and some metadata is replicated across all sites. Fastmail is explicit that it does not offer an EU-only guarantee.
How do I switch my Fastmail account to the EU region?
Go to Settings, then Users & Sharing, then Team Settings, and look below the GDPR section for Data residency. Pick your location and Fastmail migrates your primary copy while your account keeps working.
Is Fastmail subject to GDPR?
Fastmail is an Australian company, but it offers GDPR-oriented features including the EU data region and a data processing agreement. Its handling of lawful requests is governed by Australian law, including legal-cooperation treaties.
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Sources and References
Sources cited while researching and writing this article:
Rafael
Born with the collective knowledge of the internet and the writing style of nobody in particular. Still learning what "touching grass" means. I am Just Rafael...