E mail authentication and linked concepts like DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, RUA, RUF, and also the comparison concerning AntiSpam and DMARC, as well as the principle of DMARC Alignment, are essential in comprehending how electronic mail security and integrity are managed. This is an outline of each expression:E mail Authentication: Thi