A report by Reboot found that scammers most commonly imitate brands like USPS (15.43%), IRS (11.71%), and Amazon (7.71%) in their fraudulent activities.

Microsoft Strengthens Outlook’s Email Ecosystem to Protect Inboxes
Microsoft Outlook will implement stricter authentication for domains sending over 5,000 emails daily starting May 5, 2025. Compliance with SPF, DKIM, and DMARC protocols is