Fastmail offers EU data region
https://www.fastmail.com/blog/fastmail-offers-eu-data-region/📌 【Fastmail 公告】新增歐盟數據區域:不再依賴大型雲端供應商,提供自主控制權
TL;DR:Fastmail 在阿姆斯特丹佈署自有伺服器,允許用戶將數據主區域設為歐盟,解決合規與數據主權問題。
面對日益嚴格的數據隱私法規與對數據主權的關注,許多用戶對於「電子郵件存放在哪裡」變得非常敏感。Fastmail 宣布,用戶現在可以選擇將數據主區域設為歐盟(EU),並將其存放在位於阿姆斯特丹的自有伺服器中。
🧩 不租用雲端服務,堅持自有基礎設施
與許多依賴 AWS 或 Google Cloud 等大型雲端供應商來擴展規模的服務商不同,Fastmail 強調其架構的自主性:
- 自有硬體與軟體:阿姆斯特丹的新據點是由 Fastmail 工程師親自設定,使用自有硬體與軟體,甚至連硬碟型號都經過精確規格定義。
- 拒絕轉租服務:他們不租用大型雲端供應商的運算或管理服務,而是透過自有團隊進行管理,以確保隱私、可靠性與效能。
- 加密與安全:所有地點的數據在靜態存儲(encrypted at rest)時皆經過加密,並存放於鎖定的機架中。
📊 數據流向與備份機制
Fastmail 透過地理位置分散的策略來確保數據安全,其資料流向依據用戶選擇的區域而定:
1. 若選擇歐盟(EU)區域:
- 主副本(Primary Copy):存放在阿姆斯特丹的自有伺服器。
- 備份副本(Replica):目前暫時存放在美國的伺服器中,以達成地理位置分散。
- 連線機制:App 與服務會直接連線至阿姆斯特丹;若該伺服器故障,會自動回退(fallback)至美國據點以維持可用性。
2. 若選擇美國(US)區域:
- 主副本與副本:皆存放在美國境內的自有伺服器(費城或聖路易斯)。
- 連線機制:App 會直接連線至存放主副本的美國據點;若故障,則回退至另一間美國據點。
⚠️ 哪些數據不會完全留在歐盟?
Fastmail 採取極度透明的態度,明確指出無法保證數據「完全」不離開歐盟:
- 系統日誌(Logs):所有系統日誌均集中於美國單一地點,用於監控與客戶支援。
- 第三方服務:用於除錯、帳務與支援的第三方服務,其關聯資訊與用戶帳戶綁定,不受區域限制。
- 部分元數據(Metadata):部分資料會同步至所有據點,包含電子郵件地址、網站儲存空間、獨立的 Files 功能以及第三方服務的連結細節。
- 緊急備份:所有用戶的緊急備份目前都存放在費城。
💡 如何切換與遷移?
Fastmail 已經針對居住在歐洲附近的用戶預先完成了資料遷移。若用戶需要更改區域,可以透過以下路徑操作:
Settings → Users & Sharing → Team Settings → Data residency
- 遷移流程:狀態會經歷「排隊中 (queued)」→「傳輸中 (transferring)」→「完成 (done)」。
- 效能差異:從美國遷往歐盟需要跨洋同步大量資料,速度會較慢;從歐盟遷回美國則較快,因為美國端已有資料副本。
🎯 實務啟示
對於對數據主權(Data Sovereignty)有高度要求的企業或個人,Fastmail 的做法提供了一個參考模型:透過「自建硬體」而非「租用雲端」來建立信任,並透過透明的「資料流向說明」而非模糊的承諾,讓工程師與決策者能基於事實做出權衡(trade-off)。
🔗 來源
- 標題:Fastmail offers EU data region
- 連結:https://www.fastmail.com/blog/fastmail-offers-eu-data-region/
#Fastmail #DataPrivacy #DataResidency #CloudInfrastructure #CyberSecurity #EmailService #GDPR #DataSovereignty #TechNews #Infrastructure
原始資料 Hacker News · 收集於 2026-08-09
摘要原文
US or EU? Your choice Many of you have been telling us that where your email is stored matters to you. There are various reasons for this, like local law, keeping your data close to home, or compliance. You can now make the European Union the primary home for your Fastmail data, on our own secure servers in Amsterdam. Previously, all accounts were stored entirely in the US. Now you have more choice. Built by us, not rented from someone else We’ve installed our own servers, co-located in a secure facility in Amsterdam, set up by our own engineers. This new location is built to the same high standards as our existing infrastructure in Philadelphia and St Louis, with our own hardware and our own software — specified right down to the exact model of disks in each machine. In all our locations, data is stored encrypted at rest inside locked racks, and managed by our in-house team. We don’t rent computing or management services from a big cloud provider and pass on their assurances. That’s how we’ve approached privacy, reliability, and performance for more than 25 years. For many years, we have kept at least two copies of everybody’s email on separate servers in their primary location, and at least one more in a geographically separate location to ensure data safety. Here’s the detail about where your data will flow based on your regional choice. If your account is in the EU region: Your primary copy of data will live in the EU. The main, live copy of your mail and files will sit on our own servers in Amsterdam. Incoming mail will go to EU servers by preference if you are using your own domain and Fastmail’s nameservers, or an address at one of Fastmail’s EU-region domains . Our desktop, web, and mobile apps will connect to EU servers. Day to day, our apps will talk directly to our Amsterdam infrastructure. If those servers are ever unavailable, connections fall back to one of our US locations so you can still reach your mail. Resilient replicas of your data will live in the US (for now). As we only have one location in Europe so far, the geographically separate copy will remain on servers in one of our US locations. If your account is in the US region: Most of your data lives in the US. Both the primary and replica locations of your mail and files will sit on our own servers in Philadelphia or St Louis. Incoming mail goes to US servers by preference if you are using your own domain and Fastmail’s nameservers, or an address at one of Fastmail’s US-region domains . Our desktop, web, and mobile apps will connect to US servers. Day to day, our apps will talk directly to whichever US location contains your primary data copy. If those servers are ever unavailable, connections fall back to our other US location so you can still reach your mail. What applies to everyone: We favour availability , so if your home location is down, you will temporarily connect to another of our locations so you can continue to access your data. If you are using one of Fastmail’s generic non-regional domains then your mail may go in or out via either location. Emergency backups for everybody are stored in our Philadelphia location. As well as the live replicas of your data, we also keep a separate set of encrypted backups taken every few hours for every account. These are in Philadelphia for all users at the moment. Some data is replicated to all sites, so parts of everyone’s data are in both Europe and America. This includes email addresses and other user/customer metadata, storage for websites and the standalone Files feature, and the details of any third party services you have linked. Logs are in the US. All system logs are consolidated into a single place for monitoring system health and to assist with customer support. Third party services are shared. The third parties we use for debugging, billing, and support are linked to your account in the same way regardless of your region. Your email client config (IMAP/POP3) does not have to change. The generic hostnames will proxy internally to your active server. We’re working on making those terminate at the closest network location. However, we also offer regional server names for each protocol to give you more control over where you connect. We’re an Australian company , subject to Australian law including legal-cooperation treaties between Australia and other countries. Wherever your data is stored, we will respond the same way to lawful requests from relevant authorities (see our transparency report ). If what you need is a guarantee that your data remains only in the EU, we don’t have that, and we’d rather tell you directly than let you assume otherwise. We made a prediction, but you can change it We pre-selected all the users with billing addresses in or near Europe for the EU region. If you are one of these, an encrypted copy of your data was transferred to Europe in advance of this announcement, and will shortly become your primary copy. You can change region to the US and your data will migrate back. Conversely, if we didn’t identify you for our initial group, you can put yourself in the queue to be migrated. Moves this way will be a little slower because there’s no copy of the data already in the region, so we have to sync every email across the ocean! For those moving back, there’s already a copy in the US, so only a small amount of data needs to be synchronised to fully reconcile your mailbox. This blog post is all about giving you the facts and the tools to make the trade-off that’s right for you. Most providers decide for you and tell you as little as they can get away with. We’d rather show our work — what’s replicated, what isn’t, who can compel what — and let you choose with your eyes open. How it works When you sign up, you choose your region, and the primary copy of your data is placed on our secure servers in that region, with a copy also replicated to a geographically separate location. Regardless of your choice, all copies of your data are encrypted at rest. Choosing a region changes where your primary copy lives, not how well it’s protected. If you were with us when we selected the users to transfer, we’ve pre-set your region based on your billing address. If you signed up more recently, you’ll have been allocated to the US. Either way, if you’d prefer a different region, you can switch it in your settings. Switching region Go to Settings → Users & Sharing → Team Settings , then look below GDPR for the Data residency section. Pick your location and we’ll move your primary copy for you. You’ll see it go from queued, to transferring, to done, and your account keeps working the whole time. You can change your mind and move back, though we may place reasonable limits on how frequently you can change region! Your data, your call We’re really excited to have another location, and to be able to offer this option to you. Setting this up was a significant investment. We considered a surcharge for choosing the EU, but we don’t believe that’s right. We proudly charge a fair rate for an exceptional service, and this choice should be yours. Select the region that is right for you. (368 points, 182 comments on Hacker News)
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