3.12.0

rnwood/smtp4dev3.12.0Dec 12, 2025by rnwood

AI Summary

This release updates the standalone binaries and Docker images for smtp4dev, supporting Windows and Linux architectures.

Key Highlights

  • Windows x64 and ARM64 binary support
  • Linux x64 and MUSL binary support
  • Docker image availability
  • .NET tool support

Full Release Notes

[See full installation instructions and options](https://github.com/rnwood/smtp4dev/blob/master/docs/Installation.md)

File Name | Description
-- | --
[Winget package](https://winget.run/pkg/rnwood/smtp4dev/desktop)| Rnwood.Smtp4dev.Desktop Winget package (recommended easy option for Win10/11)
[Winget package](https://winget.run/pkg/rnwood/smtp4dev)| Rnwood.Smtp4dev Winget package Win10/11)
[Rnwood.Smtp4dev-win-x64-3.12.0.zip](../../releases/download/3.12.0/Rnwood.Smtp4dev-win-x64-3.12.0.zip) | Windows x64 binary standalone - Server edition
[Rnwood.Smtp4dev.Desktop-win-x64-3.12.0.zip](../../releases/download/3.12.0/Rnwood.Smtp4dev.Desktop-win-x64-3.12.0.zip) | Windows x64 binary standalone - Desktop app edition.
[Rnwood.Smtp4dev-win-arm64-3.12.0.zip](../../releases/download/3.12.0/Rnwood.Smtp4dev-win-arm64-3.12.0.zip) | Windows ARM 62-bit binary standalone
[Rnwood.Smtp4dev-linux-x64-3.12.0.zip](../../releases/download/3.12.0/Rnwood.Smtp4dev-linux-x64-3.12.0.zip) | Linux x64 (Intel 64 bit) binary standalone
[Rnwood.Smtp4dev-linux-musl-x64-3.12.0.zip](../../releases/download/3.12.0/Rnwood.Smtp4dev-linux-musl-x64-3.12.0.zip) | Linux MUSL x64 binary standalone for Linux distros using MUSL libc
[Rnwood.Smtp4dev-noruntime-3.12.0.zip](../../releases/download/3.12.0/Rnwood.Smtp4dev-noruntime-3.12.0.zip) | Architecture independent version. Should run on any platform where the .NET 8.0 (or greater) runtime is installed
[Docker images for Windows and Linux](https://hub.docker.com/layers/rnwood/smtp4dev/3.12.0) - [How to use Docker image](https://github.com/rnwood/smtp4dev/blob/master/docs/Installation.md#how-to-run-smtp4dev-in-docker)
[.NET tool Rnwood.Smtp4dev 3.12.0](https://www.nuget.org/packages/Rnwood.Smtp4dev/3.12.0) | .NET tool (recommended option for Mac OS) - [How to use dotnet tool](https://github.com/rnwood/smtp4dev/blob/master/docs/Installation.md#how-to-run-smtp4dev-as-a-dotnet-global-tool)