E mail authentication and similar ideas like DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, RUA, RUF, together with the comparison among AntiSpam and DMARC, along with the idea of DMARC Alignment, are important in comprehension how email security and integrity are managed. Here is an overview of each term:Email Authentication: That is a system used to v