How to Install OpenSMTPD on Windows 10

OpenSMTPD is an open-source mail transfer agent that is easy to configure and maintain. This tutorial will guide you through the process of installing OpenSMTPD on your Windows 10 machine.

Prerequisites

Before we begin with the installation process, you need to ensure that the following prerequisites are met:

Windows 10 operating system
An active internet connection
Command Prompt or PowerShell installed
Administrative privileges

Installation Steps

Download the most recent stable release of OpenSMTPD for Windows from the official website https://opensmtpd.org/download.html.
Unzip the downloaded file to "C:\OpenSMTPD" directory. In case you want to install it in some other location, you can modify the path accordingly.
Open "Command Prompt with Administrative privileges" or "PowerShell as Administrator."
Navigate to the directory "C:\OpenSMTPD\bin."
Run the following command to install OpenSMTPD as a Windows service:
```
smtpd.exe -install -ntservice
```
To start the service, run the following command:
```
net start smtpd
```
To stop the service, run the following command:
```
net stop smtpd
```
To check the status of the service, run the following command:
```
sc query smtpd
```

The output should show the status of the service as "Running." If the status is "Stopped," run the "net start smtpd" command to start the service.

Conclusion

OpenSMTPD is now installed on your Windows 10 machine. You can now start configuring it as per your requirements. Please refer to the official documentation of OpenSMTPD for detailed configuration steps.