A Go library and tools to authenticate e-mails.

• dkim: create and verify DKIM signatures
• authres: create and parse Authentication-Results header fields
• dmarc: fetch DMARC records

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

MIT