DMARCer

A tool that enables easy analysis of DMARC XML reports and provides insights into SPF and DKIM alignment. See where your emails are coming from and how they are being authenticated.

Installation

pip install .

Recommended to use a virtual environment.

Usage

dmarcer /path/to/dmarc/reports

Options

• --output, -o: Output file (default: stdout)
• --verbose, -v: Verbose output
• --html: Generate HTML report
• --html-output: HTML output file (default: dmarc_report.html)
• --resolve-ips, -r: Resolve IP addresses to hostnames
• --time-periods, -t: Time periods in days to include in report (choices: 30, 90, 180, 360, all)

Example

dmarcer /path/to/dmarc/reports --html -r

Credits

This project was heavily inspired by Postmark's DMARC Monitoring Email.