SPF DMARC BIMI DKIM Go to https://easydmarc.com/tools/dkim-record-generator?domain=domain.comChoose selector “s1”Set Key lenghClick generate Put Public key in DNS Put Private key in Email Server DomainKey (DKIM) Settings as PEM MTA-STS Unix Epoch Converter/generator – https://www.epochconverter.com/ PLUS Place the below in ../.well-known/mta-sts.txt TLS-RPT
