Deploying DMARC to prevent email spoofing is a no-brainer. No one wants spoofed email from @yourdomain.com that could easily lead to a successful phishing attack or business email compromise (BEC).
It has been discovered that the domain 'example.com,' used for testing and explanation purposes, is treated as a real mail server in Microsoft Outlook's auto-configuration feature, resulting in users' ...
Google updated its help documentation to clarify how to handle all your domain variants for site moves.