python3-dkimpy: python3-dkimpy (DKIM, ARC and TLSRPT email signing and verification) python3-dkimpy: python3-dkimpy: dkimpy is a library that implements DKIM ARC and TLSRPT email signing python3-dkimpy: and verification. python3-dkimpy: DKIM (DomainKeys Identified Mail) python3-dkimpy: ARC (Authenticated Receive Chain) python3-dkimpy: TLSRPT (TLS Report) python3-dkimpy: python3-dkimpy: Basic DKIM requirements are defined in RFC 6376: python3-dkimpy: https://tools.ietf.org/html/rfc6376 python3-dkimpy: