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 DMARC Analyzer is an Open Source DMARC Report Analyzer to be used with DMARC reports that have been parsed by John Levine's rrdmarc script or techsneeze's dmarcts-report-parser.

• Open Report Parser @ GitHub.

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.

Check DMARC, DKIM, and SPF Settings

Newsletters spam test. Test the Spammyness of your Emails.

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.

the most popular DMARC tools on the market, covering every aspect of DIY domain protection.