modern, secure, all-in-one mail server.

For sending and receiving email. With support for IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, webmail.

• Mox @ GitHub.

Welcome to the "Learn and Test DMARC" console! Here, you'll get a visual breakdown of how email servers communicate, giving you a better understanding of SPF, DKIM, and DMARC and how they work together.

Open source DMARC report analyzer and visualizer

• parsedmarc @ GitHub.
• parsedmarc-dockerized @ GitHub.
• dmarc-visualizer @ GitHub.
• Analyze and visualize DMARC results using open source tools @ debricked blog.
• Set Up ParseDMARC on Ubuntu 20.04 to Analyze DMARC Reports @ LinuxBabe.

A curated list of resources on Email tools, server, framework, technology...

• 266 - EMail - Pierre-Yves Dubreucq @ <ifttd> .

Check DMARC, DKIM, and SPF Settings

DMARC, SPF, DKIM, BIMI checker.

Instantly test your domain to verify your DMARC, SPF, DKIM, BIMI configurations
The Merox solution helps you implement DMARC and many other DNS security protocols and standards.