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NetEase Mail MasterMailspring
Free

Free to download; NetEase also sells VIP mailbox plans separately.

 Freemium

The client is free and open source. Mailspring Pro is a monthly subscription that adds…

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux
  • Works with Chinese providers such as 163 and QQ as well as Outlook
  • Available on desktop and mobile, including Linux
  • Unified inbox, snooze, send later, rules and templates in the free tier
  • C++ sync engine keeps memory and battery use down for an Electron app
  • Interface and documentation are mainly in Chinese
  • Linux package targets Ubuntu 22.04
  • Read receipts and link tracking are paid, and are tracking features
  • Electron, so still heavier than a native client
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.