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Cover Image for Secure Email Gateway: 10 Best Practices for Setup

Mar 29, 2026·3 min·IT Security / Best Practices

Secure Email Gateway: 10 Best Practices for Setup

Proper configuration of a Secure Email Gateway determines security and user experience. These 10 best practices help IT teams achieve optimal setup.

Cover Image for Email Security Gateway for Microsoft 365: How to Close the Security Gaps

Mar 28, 2026·4 min·IT Security / Microsoft 365

Email Security Gateway for Microsoft 365: How to Close the Security Gaps

Microsoft 365 offers basic security but not a complete Email Security Gateway. This guide shows what gaps exist and how an external gateway closes them.

Cover Image for Email Security Gateway vs. Spam Filter: The 7 Critical Differences

Mar 28, 2026·4 min·IT Security / Comparison

Email Security Gateway vs. Spam Filter: The 7 Critical Differences

Spam filters and Email Security Gateways are often confused, but the differences are fundamental. This article shows the 7 critical differences and helps you make the right decision.

Cover Image for Phishing Protection for Businesses: What an Email Security Gateway Must Deliver

Mar 27, 2026·4 min·MailGuard

Phishing Protection for Businesses: What an Email Security Gateway Must Deliver

Phishing is the most common cause of cyberattacks on businesses. Learn which protective measures truly work and why an email security gateway is the most important line of defense.

Cover Image for Why the Microsoft 365 Spam Filter Alone Is Not Enough

Mar 26, 2026·5 min·MailGuard

Why the Microsoft 365 Spam Filter Alone Is Not Enough

The built-in spam filter of Microsoft 365 provides basic protection but lets targeted attacks through. Learn why an upstream email security gateway like Conbool MailGuard is the critical layer of…

Cover Image for S/MIME vs PGP: Which Email Encryption Is Right for Your Business

Mar 25, 2026·4 min·IT Strategy

S/MIME vs PGP: Which Email Encryption Is Right for Your Business

S/MIME or PGP? This comprehensive comparison shows which encryption method is right for your business – and why a modern gateway like Conbool SecureMail makes the question obsolete.

Cover Image for What Is a Mail Gateway? The Ultimate Guide for Businesses

Mar 25, 2026·7 min·IT Infrastructure / Fundamentals

What Is a Mail Gateway? The Ultimate Guide for Businesses

A central mail gateway is the decisive lever for IT security and compliance in modern businesses. Learn in our guide how a Secure Mail Gateway automates phishing protection (MailGuard), simplifies…

Cover Image for GDPR and Email Encryption: What Is Mandatory and What Is a Recommendation

Mar 24, 2026·5 min·Compliance & Data Protection

GDPR and Email Encryption: What Is Mandatory and What Is a Recommendation

Is email encryption mandatory under the GDPR? Learn what Art. 32 GDPR requires, when TLS is sufficient, and when you need end-to-end encryption -- including DSK recommendations and BSI baseline…

Cover Image for §30 BSIG: The 10 Mandatory Measures and What They Mean for Email

Mar 23, 2026·3 min·NIS2 & Compliance

§30 BSIG: The 10 Mandatory Measures and What They Mean for Email

The 10 mandatory measures under §30 BSIG in detail – with specific email relevance for each individual measure.

Cover Image for NIS2 Reporting Obligation: What to Do Immediately in an Email Security Incident

Mar 22, 2026·5 min·NIS2 & Compliance

NIS2 Reporting Obligation: What to Do Immediately in an Email Security Incident

NIS2 requires companies to report significant security incidents within 24 hours. What this specifically means, when an email incident becomes reportable, and how audit logs make the BSI report…

Cover Image for NIS2 Supply Chain Security: Why Email Encryption Also Affects Your Suppliers

Mar 21, 2026·4 min·NIS2 & Compliance

NIS2 Supply Chain Security: Why Email Encryption Also Affects Your Suppliers

NIS2 requires secure communication in the supply chain. Learn why email encryption also affects suppliers and how the message portal closes the gap.

Cover Image for NIS2 Executive Liability: Why Email Security Is Now a C-Level Matter

Mar 20, 2026·3 min·NIS2 & Compliance

NIS2 Executive Liability: Why Email Security Is Now a C-Level Matter

NIS2 makes cybersecurity a matter of personal liability for management. What this means for email security and what executives must do now.