smtp configuration

  1. Mitigating Microsoft 365 Phishing Attacks via SMTP Relay Exploitation

    Cybercriminals have ramped up efforts to exploit Microsoft 365’s Direct Send feature and unsecured SMTP relays, launching sophisticated phishing campaigns that masquerade as internal company emails—placing even vigilant organizations at substantial risk. According to recent research by...
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    • business email compromise cloud infrastructure cloud security cyber attack cyber threats cybersecurity direct send email authentication email security email spoofing internal phishing risks microsoft 365 phishing prevention secure email gateways security awareness security best practices smtp configuration smtp relay ssl certificates threat detection
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    • Forum: Windows News