---
description: Get a quick and detailed side-by-side comparison for ALTOSPAM vs Microsoft Defender for Office 365. GetApp will help you learn more about each of these software benefits and disadvantages.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: ALTOSPAM vs Microsoft Defender for Office 365 Comparison | GetApp Australia 2026
---

Breadcrumb: [Home](/) > [Email Security Gateway](/directory/3801/secure-email-gateway/software) > [ALTOSPAM \<span\>vs\</span\> Microsoft Defender for Office 365](https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365)

# Compare ALTOSPAM vs Microsoft Defender for Office 365

Canonical: https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365

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

-----

## At a Glance

| Metric | ALTOSPAM | Microsoft Defender for Office 365 |
| **Overall rating** | 4.8/5 | 4.6/5 |
| **Total Reviews** | 73 | 235 |
| **Starting Price** | EUR 9.00 | - |
| **Free Trial** | Yes | No |
| **Free Version** | Yes | - |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | - |
| **Training** | In Person, Live Online, Webinars, Documentation, Videos | Live Online, Webinars, Documentation, Videos |

## Key features

### ALTOSPAM

- Alerts/Escalation
- Allow/Block List
- Anti Spam
- Email Attachment Protection
- Email Filtering
- Email Monitoring
- Email Routing
- Encryption
- Filtering
- Greylisting
- Monitoring
- Phishing Protection
- Reporting/Analytics
- SURLB/URIBL Filtering
- Spam Analysis
- Spam Blocker
- Spam Detection
- Spam Quarantine
- Threat Protection
- Whitelisting/Blacklisting

### Microsoft Defender for Office 365

- Alerts/Escalation
- Allow/Block List
- Anti Spam
- Email Attachment Protection
- Email Filtering
- Email Routing
- Filtering
- Greylisting
- Phishing Protection
- Reporting/Analytics
- SURLB/URIBL Filtering
- Spam Blocker
- Spam Detection
- Spam Quarantine
- Threat Protection
- Whitelisting/Blacklisting

## Links

- [View ALTOSPAM Profile](https://www.getapp.com.au/software/2049455/altospam)
- [View Microsoft Defender for Office 365 Profile](https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365)
- [View Original Comparison](https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"ALTOSPAM vs Microsoft Defender for Office 365 Comparison | GetApp Australia 2026","description":"Get a quick and detailed side-by-side comparison for ALTOSPAM vs Microsoft Defender for Office 365. GetApp will help you learn more about each of these software benefits and disadvantages.","url":"https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365","about":[{"@id":"https://www.getapp.com.au/software/2049455/altospam#software"},{"@id":"https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365#software"}],"breadcrumb":{"@id":"https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365#breadcrumblist"},"@id":"https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365#webpage","@type":["WebPage","CollectionPage"],"isPartOf":{"@id":"https://www.getapp.com.au/#website"},"inLanguage":"en-AU","publisher":{"@id":"https://www.getapp.com.au/#organization"}},{"name":"ALTOSPAM","description":"Secure your email from spam, phishing, spear-phishing, ransomware and other malwares with the solution ALTOSPAM. Protect efficiently and in a few minutes all the mailboxes of your structure. \n\nAll incoming emails and their attachments are scanned by 16 anti-spam, 6 anti-virus and sandboxing technologies, to let only the holy traffic through to your mailboxes. \n\nChoose ALTOSPAM, an advanced email security that's easy to use. Compatible with Office 365 and all emails services.\n\nTry ALTOSPAM for free.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/23b027f7-fbdc-4794-9778-0795a8f07324.png","url":"https://www.getapp.com.au/software/2049455/altospam","@id":"https://www.getapp.com.au/software/2049455/altospam#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.getapp.com.au/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":4.8,"bestRating":5,"ratingCount":73},"offers":{"price":"9","@type":"Offer","priceCurrency":"EUR"},"operatingSystem":"Cloud"},{"name":"Microsoft Defender for Office 365","description":"Microsoft Defender for Office 365 is a cloud-based email security software designed to help businesses automatically detect, investigate, and resolve potential email threats on a centralized platform. Supervisors can configure security policies, perform spoof checks, and maintain a record of reported incidents. \n\nMicrosoft Defender for Office 365 allows organizations to monitor all incoming and outgoing emails, verify the authenticity of senders or domains, and scan email attachments to prevent malware attacks. Managers can view quarantined messages and monitor the impact of campaigns through actionable analytics. It also lets users filter metadata based on various options and receive automated alerts about unusual URL clicks or other suspicious activities. \n\nMicrosoft Defender for Office 365 enables businesses to automatically block spam messages and determine email traffic patterns using artificial intelligence (AI) technology and machine learning capabilities. The software also helps users offer prioritized protection to specific accounts and create custom queries to inspect security events.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/d9d25d06-dd5f-467f-be05-1b51f5b10566.png","url":"https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365","@id":"https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.getapp.com.au/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":4.6,"bestRating":5,"ratingCount":235},"operatingSystem":"Cloud"},{"@id":"https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365#breadcrumblist","@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Email Security Gateway","position":2,"item":"/directory/3801/secure-email-gateway/software","@type":"ListItem"},{"name":"ALTOSPAM vs Microsoft Defender for Office 365","position":3,"item":"https://www.getapp.com.au/compare/2049455/2054932/altospam/vs/microsoft-defender-for-office-365","@type":"ListItem"}]}]}
</script>