Cyber security

Mailgoose – Ensuring Email Security With SPF, DMARC, And DKIM Verification

Mailgoose is a web application that allows the users to check whether their SPF, DMARC and DKIM configuration is set up correctly.

CERT PL uses it to run bezpiecznapoczta.cert.pl, an online service that helps Polish institutions to configure their domains to decrease the probability of successful e-mail spoofing.

Under the hood, Mailgoose uses checkdmarc and dkimpy, among others.

Quick Start | Docs

Features

For an up-to-date list of features, please refer to the documentation.

Development

Tests

To run the tests, use:

./scripts/test

Code Formatting

Mailgoose uses pre-commit to run linters and format the code. pre-commit is executed on CI to verify that the code is formatted properly.

To run it locally, use:

pre-commit run --all-files

For more information click here.

Varshini

Varshini is a Cyber Security expert in Threat Analysis, Vulnerability Assessment, and Research. Passionate about staying ahead of emerging Threats and Technologies.

Recent Posts

How to Prevent Software Supply Chain Attacks

What is a Software Supply Chain Attack? A software supply chain attack occurs when a…

2 weeks ago

How UDP Works and Why It Is So Fast

When people ask how UDP works, the simplest answer is this: UDP sends data quickly…

4 weeks ago

How EDR Killers Bypass Security Tools

Endpoint Detection and Response (EDR) solutions have become a cornerstone of modern cybersecurity, designed to…

4 weeks ago

AI-Generated Malware Campaign Scales Threats Through Vibe Coding Techniques

A large-scale malware campaign leveraging AI-assisted development techniques has been uncovered, revealing how attackers are…

4 weeks ago

How Does a Firewall Work Step by Step

How Does a Firewall Work Step by Step? What Is a Firewall and How Does…

4 weeks ago

Fake VPN Download Trap Can Steal Your Work Login in Minutes

People trying to securely connect to work are being tricked into doing the exact opposite.…

4 weeks ago