Microsoft promises fewer 'mailbox full' errors in face of message deluge Microsoft's latest attempt to make the dreaded "mailbox full" response a thing of the past is rolling out in October and ...

Microsoft is introducing a new Exchange Online security feature that will automatically start throttling and eventually block all emails sent from "persistently vulnerable Exchange servers" 90 days ...

Microsoft's Exchange team is warning Exchange Online users that many of its customers are being targeted by password spray attacks using its basic authentication. The warning comes as Microsoft begins ...