# go-msgauth

**Repository Path**: mirrors_emersion/go-msgauth

## Basic Information

- **Project Name**: go-msgauth
- **Description**: 🔏 A Go library and tools for DKIM, DMARC and Authentication-Results
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-11-24
- **Last Updated**: 2026-11-10

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# go-msgauth

[![Go Reference](https://pkg.go.dev/badge/github.com/emersion/go-msgauth.svg)](https://pkg.go.dev/github.com/emersion/go-msgauth)

A Go library and tools to authenticate e-mails.

## Libraries

* [`dkim`]: create and verify [DKIM signatures][DKIM]
* [`authres`]: create and parse [Authentication-Results header fields][Authentication-Results]
* [`dmarc`]: fetch [DMARC] records

## Tools

A few tools are included in go-msgauth:

- `dkim-keygen`: generate a DKIM key
- `dkim-milter`: a mail filter to sign and verify DKIM signatures
- `dkim-verify`: verify a DKIM-signed email
- `dmarc-lookup`: lookup the DMARC policy of a domain

## License

MIT

[DKIM]: https://tools.ietf.org/html/rfc6376
[Authentication-Results]: https://tools.ietf.org/html/rfc7601
[DMARC]: https://tools.ietf.org/html/rfc7489
[`dkim`]: https://pkg.go.dev/github.com/emersion/go-msgauth/dkim
[`authres`]: https://pkg.go.dev/github.com/emersion/go-msgauth/authres
[`dmarc`]: https://pkg.go.dev/github.com/emersion/go-msgauth/dmarc