HowTo: Powershell script for avoiding SPAM, Clutter, Junk in 365

21st June 2025 | HowTo HowTo: Powershell script for avoiding SPAM, Clutter, Junk in 365

Microsoft M365 PowerShell Scripts: 

  • Bypass SPAM, Clutter and Junk in M365.

Microsoft PowerShell scripts automate a more realistic and successful phish testing environment when set up correctly.  This is one of two scripts that help deliver phishing tests into end-users inboxes and automates downloading images without warning or end-user interaction by adding CyberHoot sending domains to each user’s safe senders list.

You can find more information on how to implement PowerShell scripts through Exchange here and through Azure Active directory here.

How to By-Pass Junk, Spam, and Clutter:

Implement these four mail flow rules to bypass Junk, Spam and Clutter by IP and email Header. This script also sets up the X-Header for mail filters in series.

PowerShell Script to Bypass Clutter Spam and Junk Folders in M365

Save this text file as a .ps1 file and then run as a PowerShell script with appropriate permissions.

Latest Blogs

Stay sharp with the latest security insights

Discover and share the latest cybersecurity trends, tips and best practices – alongside new threats to watch out for.

Hackers steal your cookies. Chrome may help stop Session Cookie Theft!

Hackers steal your cookies. Chrome may help stop Session Cookie Theft!

Google has built and released a new cookie protection measure that makes stolen session cookies useless on any...

Read more
AI Found Your Weaknesses. Let’s Fix Them First.

AI Found Your Weaknesses. Let’s Fix Them First.

New benchmark data names MDASH and Claude Mythos Preview are the top AI agents finding zero-day vulnerabilities...

Read more
Your Identity Is Not Only a Front-Door Problem, It is an Internal Risk Too

Your Identity Is Not Only a Front-Door Problem, It is an Internal Risk Too

One Forgotten Password, Almost a Catastrophe A single Windows machine at a retail store location had a cached...

Read more