Email authentication and relevant concepts like DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, RUA, RUF, in addition to the comparison among AntiSpam and DMARC, as well as the idea of DMARC Alignment, are crucial in comprehending how e mail stability and integrity are preserved. Here is an overview of each time period:E-mail Authentication: This is a me