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, 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


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



To run the tests, use:


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.

Published by Tamil S

Tamil has a great interest in the fields of Cyber Security, OSINT, and CTF projects. Currently, he is deeply involved in researching and publishing various security tools with Kali Linux Tutorials, which is quite fascinating.

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