---
description: Compare StartMail vs Microsoft Defender for Office 365 to learn about each of the product's price, benefits and disadvantages. Choose the best software for your business in Australia.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: StartMail vs Microsoft Defender for Office 365 Comparison - Capterra Australia 2026
---

Breadcrumb: [Home](/) > [Email Management Software](/directory/30553/email-management/software) > [StartMail \<span\>vs\</span\> Microsoft Defender for Office 365](https://www.capterra.com.au/compare/219177/219685/startmail/vs/microsoft-defender-for-office-365)

# Compare StartMail vs Microsoft Defender for Office 365

Canonical: https://www.capterra.com.au/compare/219177/219685/startmail/vs/microsoft-defender-for-office-365

> Detailed comparison between StartMail 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 | StartMail | Microsoft Defender for Office 365 |
| **Overall rating** | - | 4.6/5 |
| **Total Reviews** | 0 | 235 |
| **Starting Price** | USD 59.95 | - |
| **Free Trial** | Yes | No |
| **Free Version** | No | - |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Chromebook (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support | - |
| **Training** | Documentation | Live Online, Webinars, Documentation, Videos |

## Best for

### StartMail

StartMail is for individual and business users who want to keep email private and secure. Enjoy unlimited burner aliases with every account, end-to-end encryption via IMAP, OpenPGP, and more.

### Microsoft Defender for Office 365

DevOps and Security Operations (SecOps) teams&#10;Security engineering teams&#10;IT teams&#10;CISOs and CTOs&#10;Red, Blue, and Purple Teams&#10;CSIRT \&amp; forensic team&#10;Microsoft 365 administrators

## Key features

### StartMail

- Access Controls/Permissions
- Autoresponders
- Data Security
- Domain Check
- Email Filtering
- Email Management
- Encryption
- Phishing Protection
- Reporting/Analytics
- SURLB/URIBL Filtering
- Spam Blocker
- Spam Quarantine
- Whitelisting/Blacklisting

### Microsoft Defender for Office 365

- Access Controls/Permissions
- Alerts/Escalation
- Allow/Block List
- Anti Spam
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Routing
- Filtering
- Phishing Protection
- Reporting/Analytics
- SURLB/URIBL Filtering
- Spam Blocker
- Spam Quarantine
- Whitelisting/Blacklisting

## Links

- [View StartMail Profile](https://www.capterra.com.au/software/219177/startmail)
- [View Microsoft Defender for Office 365 Profile](https://www.capterra.com.au/software/219685/microsoft-defender-for-office-365)
- [View Original Comparison](https://www.capterra.com.au/compare/219177/219685/startmail/vs/microsoft-defender-for-office-365)

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