Configuring DMARC for validating the FROM: address domain for senders in Microsoft 365 DMARC Report Configuring DMARC for validating the FROM: address domain for senders in Microsoft 365 Play Episode Pause Episode Mute/Unmute Episode Rewind 10 Seconds 1x Fast Forward 30 seconds 00:00 / 2:10 Subscribe Share RSS Feed Share Link Embed