✉️ 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

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.

Sender Policy Framework

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