Microsoft 365 Tutorial How to create a custom Spam Filter

Introduction

In this tutorial, you'll learn how to create a custom spam filter in Microsoft 365. This allows you to manage your inbox more effectively by blocking or allowing specific file types or emails from particular individuals or groups. By creating a custom spam filter, you can enhance your email experience and ensure that important messages are not lost in the clutter.

Step 1: Access the Microsoft 365 Admin Center

• Open your web browser and go to the Microsoft 365 Admin Center.
• Log in using your admin credentials.
• Ensure you have the necessary permissions to create custom filters.

Step 2: Navigate to Exchange Admin Center

• In the Admin Center, locate the Admin centers section on the left sidebar.
• Click on Exchange to open the Exchange Admin Center.

Step 3: Create a New Spam Filter

• In the Exchange Admin Center, find and click on Threat management.
• Select Policy and then choose Spam filter.
• Click on the + (plus) icon to create a new spam filter.

Step 4: Configure Filter Settings

• Name your filter: Give your custom spam filter a clear name that reflects its purpose.
• Choose the settings:
  • Decide if you want to block or allow emails from specific senders.
  • Specify any file types you want to block or allow (e.g., .exe, .zip).

Step 5: Add Specific Senders or Domains

• Under the Allow list or Block list section, add email addresses or domains.
  • To add a sender, simply type their email address and click Add.
  • Repeat this for any additional senders you want to include.

Step 6: Set Up Notifications

• Choose whether you want to receive notifications when emails are marked as spam.
• This can help you monitor the effectiveness of your custom spam filter.

Step 7: Save Your Custom Spam Filter

• Review all the settings you have configured.
• Click Save to apply your new custom spam filter.

Conclusion

Creating a custom spam filter in Microsoft 365 is a straightforward process that can significantly improve your email management. By specifying which emails to block or allow, you can ensure that your inbox remains organized and secure. Once you've set up your filter, monitor its effectiveness and make adjustments as necessary to fine-tune your email experience. For further customization, consider exploring additional security settings in the Exchange Admin Center.