✉️ Composable all-in-one mail server.

A fast, highly extensible, and event driven SMTP server

An email spoofing testing tool that aims to bypass SPF/DKIM/DMARC and forge DKIM signatures.🍻

A Python package and CLI for parsing aggregate and forensic DMARC reports

A better whois and domain intelligence toolkit

Spoofy is a program that checks if a list of domains can be spoofed based on SPF and DMARC records.

Stalwart SMTP Server

A parser for SPF and DMARC DNS records

SPFtoolbox is a Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more

Convert dmarc reports from xml to human-readable formats

Internet standards compliance test suite

Scan domains and return data based on trustworthy email best practices

🔏 A Go library and tools for DKIM, DMARC and Authentication-Results

A web application that allows the users to check whether their SPF, DMARC and DKIM configuration is set up correctly.

Shell scripts for taming the SPF (Sender Policy Framework) records in order to fight 10-maximum-DNS-look-ups limit.

🛡️ A lightweight, self-hosted DMARC report parser with a beautiful Vue.js dashboard. Single-binary deployment with IMAP integration, SQLite storage, and RFC 7489 compliance. Built with Go and Vue 3 - no external dependencies required.

Internet.nl toolbox - how-to's for modern mail security standards (DMARC, DKIM, SPF and DANE)

Scan domains and receive advice based on their BIMI, DKIM, DMARC, and SPF records

Postfix SMTP relay docker image

A Laravel package to check if you can send e-mail through a given mailserver in name of a given e-mail address