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  • Authors
  • Ahona Rudra
  • About
  • Latest Posts
Ahona Rudra
Domain & Email Security Expert at PowerDMARC
Ahona is the Marketing Manager at PowerDMARC, with 5+ years of experience in writing about cybersecurity topics, specializing in domain and email security. Ahona holds a post-graduation degree in Journalism and Communications, solidifying her career in the security sector since 2019.
Latest posts by Ahona Rudra (see all)
  • How to Block High-Risk AI Agents in Microsoft Entra - June 15, 2026
  • Office 365 Anti-Phishing Policy: How to Configure It - June 3, 2026
  • AI Agent Security: Risks, Best Practices, and Email Authentication - June 2, 2026

How to Block High-Risk AI Agents in Microsoft Entra

Blog, Email Security
Learn how to restrict high-risk AI agents in Microsoft Entra using the built-in user setting and a Conditional Access policy.
June 15, 2026
Office-365-Anti-Phishing-Policy--How-to-Configure-It

Office 365 Anti-Phishing Policy: How to Configure It

Blog, Email Deliverability
Office 365’s built-in anti-phishing policy stops spoofing and impersonation — but only if it’s configured correctly. Learn what it covers, what it doesn’t, and how DMARC fills the gap.
June 3, 2026
AI-Agent-Security

AI Agent Security: Risks, Best Practices, and Email Authentication

Blog, Email Security
AI agents introduce serious cybersecurity risks - from prompt injection to email spoofing. Learn how to secure agentic workflows with least-privilege access, audit logging, and DMARC enforcement.
June 2, 2026
PowerDMARC-Now-Integrates-with-HaloPSA-

PowerDMARC Now Integrates with HaloPSA

News
PowerDMARC now integrates with HaloPSA. MSPs and MSSPs can automate customer mapping, subscription sync, and DMARC alert-to-ticket creation directly in their PSA platform.
June 1, 2026
what-is-email-forwarding

What is Email Forwarding? How It Works and Best Practices

Blog, Email Security
Email forwarding is simple to set up — but it silently breaks SPF, DKIM, and DMARC. Learn how forwarding works, why it causes delivery failures, and the best practices to prevent them.
May 29, 2026
DMARC-RFC-9989,-9990-and-9991--officially-replace-RFC-7489

DMARC RFC 9989, 9990, and 9991 Replace RFC 7489

News
DMARC is now official. Learn how RFC 9989, RFC 9990, and RFC 9991 replace RFC 7489, what changed in the DMARC standard, and how to prepare.
May 27, 2026
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  • How to Block High-Risk AI Agents in Microsoft EntraJune 15, 2026 - 5:30 am
  • Customer-Support-Email-Security--How-to-Stop-Fake-Replies,-Account-Takeovers,-and-Data-Leaks-
    Customer Support Email Security: How to Stop Fake Replies, Account Takeovers, and Data LeaksJune 12, 2026 - 6:48 am
  • SPF Vs DKIM: What’s the Difference and Do You Need Both?June 11, 2026 - 5:02 am
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    Malicious MCP Servers & Email Security: The New Supply Chain ThreatJune 9, 2026 - 4:52 am

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