E-mail authentication and similar concepts like DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, RUA, RUF, plus the comparison in between AntiSpam and DMARC, along with the notion of DMARC Alignment, are important in comprehending how e-mail protection and integrity are taken care of. Here is an summary of each and every expression:Email Authentication: T