E-mail authentication and similar principles like DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, RUA, RUF, as well as the comparison concerning AntiSpam and DMARC, as well as strategy of DMARC Alignment, are vital in knowing how email protection and integrity are maintained. Here is an summary of every time period:E-mail Authentication: This is the appr