---
description: Compare Security Gateway by MDaemon vs Microsoft Defender for Office 365 for Irish businesses. GetApp provides a side-by-side comparison with details on software price, features and reviews.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: Security Gateway by MDaemon vs Microsoft Defender for Office 365 Comparison | GetApp Ireland 2026
---

Breadcrumb: [Home](/) > [Secure Email Gateway Software](/directory/3801/secure-email-gateway/software) > [Security Gateway by MDaemon \<span\>vs\</span\> Microsoft Defender for Office 365](https://www.getapp.ie/compare/2046580/2054932/security-gateway-by-mdaemon/vs/microsoft-defender-for-office-365)

# Compare Security Gateway by MDaemon vs Microsoft Defender for Office 365

Canonical: https://www.getapp.ie/compare/2046580/2054932/security-gateway-by-mdaemon/vs/microsoft-defender-for-office-365

> Detailed comparison between Security Gateway by MDaemon and Microsoft Defender for Office 365. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Security Gateway by MDaemon | Microsoft Defender for Office 365 |
| **Overall rating** | 4.9/5 | 4.6/5 |
| **Total Reviews** | 15 | 237 |
| **Starting Price** | US$1.00 | - |
| **Free Trial** | Yes | No |
| **Free Version** | No | - |
| **Deployment** | Cloud, SaaS, Web-based, Windows (Desktop), Windows (On-Premise) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat | - |
| **Training** | Live Online, Documentation, Videos | Live Online, Webinars, Documentation, Videos |

## Key features

### Security Gateway by MDaemon

- Allow/Block List
- Anti Spam
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Monitoring
- Email Routing
- Encryption
- Filtering
- Greylisting
- Microsoft Outlook Integration
- Monitoring
- Phishing Protection
- Policy Management
- Reporting/Analytics
- Spam Blocker
- Spam Detection
- Spam Quarantine
- Threat Protection
- Whitelisting/Blacklisting

### Microsoft Defender for Office 365

- Allow/Block List
- Anti Spam
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Routing
- Filtering
- Greylisting
- Microsoft Outlook Integration
- Phishing Protection
- Policy Management
- Reporting/Analytics
- Spam Blocker
- Spam Detection
- Spam Quarantine
- Threat Protection
- Whitelisting/Blacklisting

## Links

- [View Security Gateway by MDaemon Profile](https://www.getapp.ie/software/2046580/security-gateway-by-mdaemon)
- [View Microsoft Defender for Office 365 Profile](https://www.getapp.ie/software/2054932/microsoft-defender-for-office-365)
- [View Original Comparison](https://www.getapp.ie/compare/2046580/2054932/security-gateway-by-mdaemon/vs/microsoft-defender-for-office-365)

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