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A Go library and tools to authenticate e-mails.

• dkim: create and verifyDKIM signatures
• authres: create and parseAuthentication-Results header fields
• dmarc: fetchDMARC 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