Tutorial: Install Sendmail on Windows 11

In this tutorial, you will learn how to install Sendmail on Windows 11, a popular open-source email solution by Proofpoint.

Before we begin, make sure that your Windows 11 system meets the following requirements:

• You have administrative privileges
• You have access to the internet
• You have downloaded the Sendmail installer from https://www.proofpoint.com/us/products/email-protection/open-source-email-solution

Step 1: Extract Sendmail Files

1. Open the Sendmail installer file (tar.gz format) you downloaded from Proofpoint in your preferred compression tool.
2. Extract the files to a directory of your choice by clicking the "Extract" button or selecting "Extract Here".

Step 2: Install Sendmail

1. Open a Command Prompt window with administrative privileges by right-clicking the "Start" button and selecting "Command Prompt (Admin)".
2. Navigate to the directory where you extracted the Sendmail files using the "cd" command. For example, if you extracted the files to "C:\Sendmail", type "cd C:\Sendmail" and press Enter.
3. Run the installation script by typing "./install" and pressing Enter.
4. Follow the on-screen instructions to configure Sendmail settings such as choosing the type of email address format to use and defining the hostname of your system.

Step 3: Start Sendmail Service

1. Once installation is complete, the Sendmail service is automatically started.
2. Verify that the Sendmail service is running by opening the Services app. Right-click the "Start" button and select "Run", enter "services.msc" into the Run dialog box and click OK.
3. Locate the "Sendmail" service, and check that the Status column says "Running".

Congratulations! You have successfully installed Sendmail on your Windows 11 system. You can now use Sendmail as your email solution.