Microsoft 365 Native External Sender Security Feature – Set-ExternalInOutlook
We’re all annoyed by spam and spoofed e-mails (impersonation attempts). While most of it is harmless and fake, incorrectly opened attachments or links may lead to security incidents like ransomware or network breaches. As aggressive and thorough as Microsoft is with inbound e-mail scanning, it’s reasonable to assume a small percentage of malicious e-mails will …
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