Microsoft starts rolling out a new Reply All Storm Protection feature to Office 365 customers that lets IT staff detect and stop Reply-All email storms (Catalin Cimpanu/ZDNet)

Catalin Cimpanu / ZDNet:
Microsoft starts rolling out a new Reply All Storm Protection feature to Office 365 customers that lets IT staff detect and stop Reply-All email storms  —  Redmond adds protection against massive “Reply-All” email storms after suffering two internal incidents in 2019 and 2020.