Why coronavirus scammers can send fake emails from real domains

News and video feature: Vox Media ran some experiments with help from Valimail and easily placed a spoofed who.int email into a Yahoo inbox. Outlook and Gmail caught it in their spam filters, the last line of defense. We also tried spoofing voxmedia.com and cdc.gov, and neither reached an inbox. Both have strong DMARC policies in place.