Name: smtp4dev
Author: Robert N Wood

smtp4dev

Robert N Wood·Rnwood.Smtp4dev

A fake SMTP server for development.

winget install --id Rnwood.Smtp4dev --exact --source winget

Latest 3.15.0·March 3, 2026

Release Notes

File Name	Description
Winget package	Rnwood.Smtp4dev.Desktop Winget package (recommended easy option for Win10/11)
Winget package	Rnwood.Smtp4dev Winget package (Win10/11)
Rnwood.Smtp4dev-win-x64-3.15.0.zip	Windows x64 binary standalone - Server edition
Rnwood.Smtp4dev.Desktop-win-x64-3.15.0.zip	Windows x64 binary standalone - Desktop app edition.
Rnwood.Smtp4dev-win-arm64-3.15.0.zip	Windows ARM 64-bit binary standalone
Rnwood.Smtp4dev-linux-x64-3.15.0.zip	Linux x64 (Intel 64 bit) binary standalone
Rnwood.Smtp4dev-linux-musl-x64-3.15.0.zip	Linux MUSL x64 binary standalone for Linux distros using MUSL libc
Rnwood.Smtp4dev-noruntime-3.15.0.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 - How to use Docker image
.NET tool Rnwood.Smtp4dev 3.15.0	.NET tool (recommended option for Mac OS) - How to use dotnet tool

x64—9ED061316772445D54F09B4BD69B97DC79E830312C8F32A8C1717C24FD7068DC

arm64—D961DCB015534CBF4BE79A5BA763899A5B1A0DC3C57E0476BD23D42379BD574A

3.10.3

x64—82FCC2217E94E133B6FA006D7C308980B918F81720591CAD99FD2E6096B1E705

arm64—90FD3BAF308656BC93E2D7B1FFEEB03F97ED8A1ED8CC25F45A4D8B12B51D2E12

3.10.2

x64—CEE007876FCC9439F9123FDCBB51770B6135157498E22497A0F73195DED06189

arm64—9210DF95EC83C4F5C834B5187A46959002503EC727839EF14BC294BBEA36CDED

3.10.1

x64—A0D9522D1AD7EEF27C11552912C2AE8430BBB31B4DA13853E6CC014D29226001

arm64—8E9B2262AF4DC22AAEEA2D49B8B1FA567065974EDE767C6D714651E507285F6E

3.9.0

x64—E5AC9C06DF7916F357DF417ACA9C10ECA746CE67B2F21585F654104DB9E1C5C4

arm64—125A3959C5923312D877E3751695518C994B54431B2E09650A480CB76CFE7335