When trying to add a new or old Microsoft Account with a custom domain like live.com, hotmail.com, msn.com or your own custom domain or any other third-party domain you may get the message This email ...

Don't miss out on our latest stories. Add PCMag as a preferred source on Google. Microsoft has taken aim at spammers who are abusing its onmicrosoft.com domain—otherwise known as Microsoft Online ...

Microsoft has obtained a court order this month allowing the company to seize control of six domains that were used in phishing operations against Office 365 customers, including in campaigns that ...

Microsoft is working on addressing an Office 365 issue that has resulted in legitimate emails sent from multiple domains (including Google and LinkedIn) getting tagged as malicious and quarantined.

Hotmail users worldwide have problems sending emails, with messages flagged as spam or not delivered after Microsoft misconfigured the domain's DNS SPF record. The email issues began late last night, ...

Microsoft 365 administrators can use built-in Defender for Office 365 tools to enable impersonation and domain protection, ...

Microsoft reports that it has seized 338 domains tied to RaccoonO365, a phishing-as-a-service operation it described as one of the fastest-growing criminal platforms targeting its users. The move was ...

When your organization sets up an email account in Microsoft 365, you're automatically given an onmicrosoft.com domain. But spammers are abusing the system, so Redmond is cracking down. Based in ...