✉️ Composable all-in-one mail server.

Convert dmarc reports from xml to human-readable formats

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

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

Another utility to analyze state of deployment of security-related email protocols.

Postfix SRS forwarding agent

Parse SPF record and determine if client IP is allowed to send email.

SPF (Sender Policy Framework) implementation in Go [mirror]

Sender Policy Framework

Command-line tool to detect email spoofing vulnerabilities by analyzing SPF and DMARC DNS records. Supports single and bulk domain checks with multiple output formats.

Go package for SPF record check

SPF (Sender Policy Framework) for Go

SRS Sender Rewriting Scheme Go/Golang package

Tool for checking SPF records for domain names

A simple domain verification tool written in Golang.

一个用Go语言编写的强大且灵活的域名注册可用性检查工具 A powerful and flexible domain name availability checker written in Go. This tool helps you find available domain names based on various patterns and filters.

Mirror only. OpenSMTPD SPF filter.

an rfc7208 compliant go module for verifying with the sender policy framework

Sender Policy Framework