DMARC check
Without DMARC, receivers struggle with forged senders. Many firms have no _dmarc record — or only p=none.
Typical path: p=none with reports → quarantine → reject once every real sender is aligned. Related: SPF, DKIM.
Without DMARC, receivers struggle with forged senders. Many firms have no _dmarc record — or only p=none.
Typical path: p=none with reports → quarantine → reject once every real sender is aligned. Related: SPF, DKIM.