Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
Fastmail is a hosted email service for individuals, families, and businesses. Its core features cover email, calendars, contacts, and files, and it supports custom-domain email for business use. The site emphasizes a “fast, private” email experience and offers a 30-day free trial with no credit card required.
In terms of communication channels, Fastmail is clearly focused on email and does not present SMS, voice, or IM capabilities. Its feature set is fairly comprehensive, including offline reading, writing, and search, powerful search, pinned emails, snooze/reminders, scheduled send, undo send, conversation muting, rules management, spam protection, and one-click unsubscribe. On the privacy side, it offers Masked Email, email aliases, and tracking-pixel blocking, making it suitable for users who want to reduce ad tracking or separate different identities and business scenarios. The security section states that data is encrypted both in transit and at rest, and emphasizes 24/7 mailbox availability, but it does not provide a quantified SLA or delivery-rate figures.
Fastmail is relatively developer-friendly, supporting open protocols such as JMAP, IMAP, POP, SMTP, CardDAV, CalDAV, and WebDAV. JMAP uses HTTP/JSON and provides a Session endpoint, with support for API tokens, app passwords, and OAuth 2.0. OAuth follows the Authorization Code flow and requires PKCE; the JMAP API also supports CORS, making it easier for web applications to integrate directly. The Masked Email API is a highlight, allowing third-party apps such as password managers to create and manage anonymous email addresses. However, OAuth client registration currently requires contacting Fastmail’s developer team for manual handling, so self-service onboarding for large-scale enterprise integrations is limited.
The pricing page shows that all plans include Email, Calendar, Contacts, and Files, with options for individuals/families and businesses; specific prices were not captured in the page content. The country/region list includes China, Hong Kong, Macau, and many other countries and regions, but this appears more like a billing or country-selection list and should not be interpreted as a guarantee of local infrastructure or delivery performance.
Fastmail’s strengths are its mature feature set, strong privacy-oriented design, and broad support for open protocols. It is well suited to individuals, small teams, and developers who care about custom-domain email, privacy, and client compatibility. Its drawbacks are the lack of public delivery-rate data, SLA details, price breakdowns, and compliance certification information. It is also not a fit for teams that need an all-in-one communications platform with SMS or voice notifications.
The available content does not provide information on network accessibility from mainland China, supported payment methods, or local compliance, so China access is rated as unknown. For teams deploying in China, it is advisable to also evaluate local alternatives such as Tencent Exmail and Alibaba Enterprise Email, as well as international options like Google Workspace, Microsoft 365, Proton Mail, and Zoho Mail.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on fastmail.cn official site.
fastmail.cn is an Australia Comms & Email provider. TG4G tracks its product information, with monthly pricing from $3.00, an overall rating of 8.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach fastmail.cn directly.