Bulk Gmail and Yahoo Mail email senders will be required to strongly authenticate their emails following well-established best practices such as DMARC, SPF, and DKIM. Google and Yahoo have both ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Nov. 24, 2024: This story, originally published Nov.

Google security alerts used in new Gmail hack. Update, April 22, 2025: This story, originally published April 19, has been updated with expert comment regarding DKIM validation, new information ...

As cyber threats become more sophisticated and regulations more stringent, Domain-based Message Authentication Reporting and Conformance (DMARC) compliance is no longer just a best practice — it's a ...