Email authentication and connected concepts like DMARC, SPF, DKIM, BIMI, MTA-STS, TLS-RPT, RUA, RUF, as well as the comparison in between AntiSpam and DMARC, as well as the concept of DMARC Alignment, are very important in understanding how e mail security and integrity are preserved. Here is an overview of each and every time period:E mail Authent