The DMRC Report Viewer is an open-source tool designed to simplify the management of email security reports, particularly DMRC and SMTPTLS reports, which are crucial for maintaining email server security. These reports, often overwhelming due to their XML and JSON formats, are parsed and visualized by the viewer, making them accessible even to beginners or small administrators. The tool is a lightweight, single-file executable written in Rust, requiring no additional dependencies, making it ideal for small deployments and even running on a Raspberry Pi. It uses a built-in IMAP client to securely fetch reports from an email account, offering a web-based interface with charts and visualizations to provide clear insights. The viewer also includes features like DNS lookups, webhooks for notifications, and automatic HTTPS setup using Let’s Encrypt, enhancing both usability and security. Its stateless design, keeping data in memory, prioritizes real-time insights over long-term data storage, making it suitable for regular security checks but not for deep historical analysis.

https://github.com/cry-inc/dmarc-report-viewer


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