How to Block High-Risk AI Agents in Microsoft Entra
Blog, Email SecurityLearn how to restrict high-risk AI agents in Microsoft Entra using the built-in user setting and a Conditional Access policy.
Customer Support Email Security: How to Stop Fake Replies, Account Takeovers, and Data Leaks
Blog, Email SecurityCustomer support email security guide: stop phishing, fake replies, account takeovers, and data leaks targeting your help desk inboxes. Best practices inside.
SPF Vs DKIM: What’s the Difference and Do You Need Both?
BlogThe postmark-mcp incident exposed a new category of threat: malicious MCP servers silently exfiltrating emails at scale. Learn how AI supply chain attacks target email infrastructure — and how DMARC and email authentication protect you.
How to Read DMARC Reports: A Complete Guide to RUA & RUF
Blog, DMARCLearn how to read DMARC reports, fix authentication issues, detect spoofing, and improve email security with actionable insights for IT teams and MSPs.
Malicious MCP Servers & Email Security: The New Supply Chain Threat
Blog, Email SecurityThe postmark-mcp incident exposed a new category of threat: malicious MCP servers silently exfiltrating emails at scale. Learn how AI supply chain attacks target email infrastructure — and how DMARC and email authentication protect you.
How to Split a DKIM Record
Blog, DKIMRunning into a 255-character limit when adding your DKIM record? Learn how to split a DKIM TXT record into multiple strings the right way — step-by-step, with examples for Route 53, Google Cloud DNS, and more.
