macOS

macOS

  • macOS 10.10 (Yosemite), 10.11 (El Capitan), and 10.12 (Sierra)
  • Intel Core processor that can run 64-bit applications
  • 4 GB of RAM (8 GB recommended)
  • 100 MB hard drive space for application files (excluding local message data)
  • Postbox runs in 64-bit mode on macOS

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Windows

Windows

  • Windows 7, 8, and 10
  • Pentium 4 or newer processor that supports SSE2
  • 4 GB of RAM (8 GB recommended)
  • 100 MB hard drive space for application files (excluding local message data)
  • Postbox runs in 32-bit mode on 32-bit and 64-bit versions of Windows

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