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# Mesh vs Microsoft Defender for Office 365 Comparison - What are their main differences?

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MeshMicrosoft Defender for...[+ Add Product](#)

Reviews

**Mesh** [

4.8/5(50)

](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews#reviews)

**Microsoft Defender for Office 365** [

4.5/5(298)

](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews#reviews)

Pricing

**Mesh**
Free Trial

No pricing available

**Microsoft Defender for Office 365**
 **$2.00** 1 User Per Month · Microsoft Defender for Office Plan 1

**Pricing Insights**
from reviews

Time to Implement

**Mesh**
1 monthFaster

Based on 29 responses

**Microsoft Defender for Office 365**
2 months

Based on 10 responses

Return on Investment

**Mesh**
8 months6 months sooner

Based on 21 responses

**Microsoft Defender for Office 365**
14 months

Based on 7 responses

Perceived Cost

**Mesh**
$$$$$

**Microsoft Defender for Office 365**
$$$$$

Average Discount

**Mesh**
7%

**Microsoft Defender for Office 365**
12%5% more

Pros & Cons

**Mesh**
[
Ease of Use (9)
](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews?filters%5Bsentiment_snippet%5D=1405975&qs=pros-and-cons#reviews)[
Customer Support (8)
](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews?filters%5Bsentiment_snippet%5D=1406241&qs=pros-and-cons#reviews)[
Needs Improvement (2)
](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews?filters%5Bsentiment_snippet%5D=1406358&qs=pros-and-cons#reviews)[
Email Filtering Issues (1)
](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews?filters%5Bsentiment_snippet%5D=2159742&qs=pros-and-cons#reviews)

**Microsoft Defender for Office 365**
[
Ease of Use (9)
](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1426149&qs=pros-and-cons#reviews)[
Security (9)
](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1425350&qs=pros-and-cons#reviews)[
Complexity (8)
](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1424859&qs=pros-and-cons#reviews)[
False Positives (6)
](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1426481&qs=pros-and-cons#reviews)

Integrations

**Mesh**
Not enough data

**Microsoft Defender for Office 365**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_e89d21750715f4646ed61c011b2917dc/adobe-acrobat.png "Product Avatar Image")

Adobe Acrobat

](https://www.g2.com/products/adobe-acrobat/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_ae5d46296d0f8afa0fd352fc44bf419d/microsoft365.png "Product Avatar Image")

Microsoft 365

](https://www.g2.com/products/microsoft365/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_790f5095f4e17577cead05669971b794/microsoft-onedrive-for-business.jpg "Product Avatar Image")

Microsoft OneDrive

](https://www.g2.com/products/microsoft-onedrive-for-business/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_69054bc7d40597b06fc3905720ccc914/microsoft-outlook.png "Product Avatar Image")

Outlook

](https://www.g2.com/products/microsoft-outlook/reviews)[
View all
](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/integrations)

Screenshots

**Mesh**
 ![Mesh screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1331277/Screenshot-2025-04-04-160149.png)

**Microsoft Defender for Office 365**
 ![Microsoft Defender for Office 365 screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1244899/MicrosoftTeams-image-_1_.png)

Ratings

Meets Requirements

**Mesh**

9.9

9.935

**Microsoft Defender for Office 365**

9.0

9.0231

Ease of Use

**Mesh**

9.8

9.837

**Microsoft Defender for Office 365**

8.9

8.9234

Ease of Setup

**Mesh**

9.7

9.736

**Microsoft Defender for Office 365**

8.7

8.7118

Ease of Admin

**Mesh**

9.7

9.733

**Microsoft Defender for Office 365**

8.9

8.9100

Quality of Support

**Mesh**

9.8

9.835

**Microsoft Defender for Office 365**

8.7

8.7225

Has the product been a good partner in doing business?

**Mesh**

9.8

9.831

**Microsoft Defender for Office 365**

8.8

8.8101

Product Direction (% positive)

**Mesh**

10.0

10.035

**Microsoft Defender for Office 365**

9.4

9.4222

Features

Cloud Email Security[Hide 14 FeaturesShow 14 Features](javascript:void(0);)

9.7

29

8.8

164

Administration

Intelligence Reporting

9.3(won by 0.5)

26

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.8

148

|

Verified

Email Integration Suppor

9.6(won by 0.6)

23

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.0

147

|

Verified

Access Management

9.5(won by 0.7)

22

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.8

140

|

Verified

Data Loss Prevention

Feature Not Available

8.5(won by default)

140

|

Verified

Maintenance

Auditing

9.6(won by 0.9)

23

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.7

138

|

Verified

Allow and block lists

9.9(won by 1.1)

27

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.8

145

|

Verified

Compliance

9.6(won by 0.8)

20

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.8

142

Archiving

Feature Not Available

8.6(won by default)

135

|

Verified

Security

Anti-Malware/Anti-Spam

9.9(won by 0.9)

28

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.0

151

|

Verified

Quarantine

10.0(won by 1.3)

26

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.7

145

|

Verified

Advanced Threat Protection (ATP)

9.8(won by 0.8)

22

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.0

144

|

Verified

Anti-Phishing

9.8(won by 0.8)

28

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.0

148

|

Verified

Encryption

Feature Not Available

8.9(won by default)

141

Account takeover prevention

Feature Not Available

8.7(won by default)

138

|

Verified

Intelligent Email Protection[Hide 12 FeaturesShow 12 Features](javascript:void(0);)

Not enough data

8.9

5

Administration

Email Clients

Not enough data

9.0(won by default)

5

Compliance

Not enough data

Not enough data

Intelligence Reporting

Not enough data

Not enough data

Role-Based Rules

Not enough data

Not enough data

Detection

Real-Time Detection

Not enough data

8.7(won by default)

5

Data Exfiltration Detection

Not enough data

Not enough data

Activity Monitoring

Not enough data

Not enough data

Protection

Spam Filtering

Not enough data

9.0(won by default)

5

Targeted Attack Prevention

Not enough data

Not enough data

Policy Enforcement

Not enough data

Not enough data

Agentic AI - Intelligent Email Protection

Autonomous Task Execution

Not enough data

Not enough data

Adaptive Learning

Not enough data

Not enough data

Email Anti-spam[Hide 54 FeaturesShow 54 Features](javascript:void(0);)

Not enough data

7.8

14

Agentic AI - Email Anti-spam Features

Autonomous Task Execution

Not enough data

8.1(won by default)

13

Proactive Assistance

Not enough data

7.4(won by default)

11

Additional Functionality

Phishing Protection

Not enough data

Not enough data

Data Recovery

Not enough data

Not enough data

Archiving & Retention

Not enough data

Not enough data

Backup and Recovery

Not enough data

Not enough data

Policy Management

Not enough data

Not enough data

Email Management

Not enough data

Not enough data

Data Loss Prevention

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

Data Storage Management

Not enough data

Not enough data

Fraud Detection

Not enough data

Not enough data

Email Routing

Not enough data

Not enough data

Data Verification

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Filtering

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

SURLB/URIBL Filtering

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Data Synchronization

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Risk Assessment

Not enough data

Not enough data

Greylisting

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Allow/Block List

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Active Directory Integration

Not enough data

Not enough data

Compression

Not enough data

Not enough data

Email Tracking

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Anti Spam

Not enough data

Not enough data

Disaster Recovery

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Tagging

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Spam Blocker

Not enough data

Not enough data

Microsoft Outlook Integration

Not enough data

Not enough data

Spam Analysis

Not enough data

Not enough data

API

Not enough data

Not enough data

Categorization/Grouping

Not enough data

Not enough data

Event Tracking

Not enough data

Not enough data

Inbox Management

Not enough data

Not enough data

Spam Detection

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Spam Quarantine

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Data Retention Management

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Show 1 feature category with incomplete data

Email Security[Hide 32 FeaturesShow 32 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Phishing Protection

Not enough data

Not enough data

Threat Response

Not enough data

Not enough data

Domain Check

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

AI/Machine Learning

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Anomaly/Malware Detection

Not enough data

Not enough data

SURLB/URIBL Filtering

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Scheduled/Automated Reports

Not enough data

Not enough data

For MSPs

Not enough data

Not enough data

Whitelisting/Blacklisting

Not enough data

Not enough data

Fraud Detection

Not enough data

Not enough data

Spam Blocker

Not enough data

Not enough data

Spam Quarantine

Not enough data

Not enough data

API

Not enough data

Not enough data

Data Leak Prevention

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Spam Analysis

Not enough data

Not enough data

Policy Management

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Email Management

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Threat Protection

Not enough data

Not enough data

Email Attachment Protection

Not enough data

Not enough data

Email Filtering

Not enough data

Not enough data

Two-Factor Authentication

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Mesh](https://images.g2crowd.com/uploads/product/hd_favicon/b2f7fd1a33274d7f8ace64a7cda933bd/mesh-email-security-redefined-for-msps-mesh.svg "Mesh")](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews)

Mesh

Small-Business(50 or fewer emp.)

93.9%

Mid-Market(51-1000 emp.)

4.1%

Enterprise(\> 1000 emp.)

2.0%

[![Microsoft Defender for Office 365](https://images.g2crowd.com/uploads/product/hd_favicon/a8a99a96fda235658139f710592f8a53/microsoft-microsoft-defender-for-office-365.svg "Microsoft Defender for Office 365")](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews)

Microsoft Defender for Office 365

Small-Business(50 or fewer emp.)

25.9%

Mid-Market(51-1000 emp.)

37.9%

Enterprise(\> 1000 emp.)

36.2%

Small-Business

(50 or fewer emp.)

93.9%

25.9%

Mid-Market

(51-1000 emp.)

4.1%

37.9%

Enterprise

(\> 1000 emp.)

2.0%

36.2%

Reviewers' Industry

[![Mesh](https://images.g2crowd.com/uploads/product/hd_favicon/b2f7fd1a33274d7f8ace64a7cda933bd/mesh-email-security-redefined-for-msps-mesh.svg "Mesh")](https://www.g2.com/products/mesh-email-security-redefined-for-msps-mesh/reviews)
Mesh

Information Technology and Services

59.6%

Computer & Network Security

34.0%

Telecommunications

2.1%

Information Services

2.1%

Hospitality

2.1%

Other

0.0%

[![Microsoft Defender for Office 365](https://images.g2crowd.com/uploads/product/hd_favicon/a8a99a96fda235658139f710592f8a53/microsoft-microsoft-defender-for-office-365.svg "Microsoft Defender for Office 365")](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews)
Microsoft Defender for Office 365

Information Technology and Services

25.7%

Computer & Network Security

12.5%

Computer Software

12.5%

Financial Services

5.4%

Accounting

2.9%

Other

41.1%

Alternatives

**Mesh Alternatives**

 ![Proofpoint Core Email Protection](https://images.g2crowd.com/uploads/product/hd_favicon/8adf2eedd5616a9f5e200c4520f6d30d/proofpoint-core-email-protection.svg "Proofpoint Core Email Protection")

[
Proofpoint Core Email...
](/products/proofpoint-core-email-protection/reviews)

 ![Mimecast Advanced Email Security](https://images.g2crowd.com/uploads/product/hd_favicon/4de3129d806e9580f2866c054f5a8591/mimecast-advanced-email-security.svg "Mimecast Advanced Email Security")

[
Mimecast Advanced Email...
](/products/mimecast-advanced-email-security/reviews)

 ![Acronis Cyber Protect Cloud](https://images.g2crowd.com/uploads/product/hd_favicon/deb6b38c362a378ff92daf2bce2e18cb/acronis-cyber-protect-cloud.svg "Acronis Cyber Protect Cloud")

[
Acronis Cyber Protect Cloud
](/products/acronis-cyber-protect-cloud/reviews)

 ![Valimail](https://images.g2crowd.com/uploads/product/hd_favicon/3afbe436dad9efae1261e590d884c536/valimail.svg "Valimail")

[
Valimail
](/products/valimail/reviews)

**Microsoft Defender for Office 365 Alternatives**

 ![Proofpoint Core Email Protection](https://images.g2crowd.com/uploads/product/hd_favicon/8adf2eedd5616a9f5e200c4520f6d30d/proofpoint-core-email-protection.svg "Proofpoint Core Email Protection")

[
Proofpoint Core Email...
](/products/proofpoint-core-email-protection/reviews)

 ![SpamTitan Email Security](https://images.g2crowd.com/uploads/product/hd_favicon/1553620140/spamtitan-email-security.svg "SpamTitan Email Security")

[
SpamTitan Email Security
](/products/spamtitan-email-security/reviews)

 ![IRONSCALES](https://images.g2crowd.com/uploads/product/hd_favicon/06b1561b9d4413964954a7658e64f056/ironscales.svg "IRONSCALES")

[
IRONSCALES
](/products/ironscales/reviews)

 ![Symantec Email Security.Cloud](https://images.g2crowd.com/uploads/product/hd_favicon/7e0271a147c13a70a6587f9586b454a0/symantec-email-security-cloud.png "Symantec Email Security.Cloud")

[
Symantec Email Security.Cloud
](/products/symantec-email-security-cloud/reviews)

## Mesh vs Microsoft Defender for Office 365

When assessing the two solutions, reviewers found Mesh easier to use, set up, and administer. Reviewers also preferred doing business with Mesh overall.

- Reviewers felt that Mesh meets the needs of their business better than Microsoft Defender for Office 365.
- When comparing quality of ongoing product support, reviewers felt that Mesh is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Mesh over Microsoft Defender for Office 365.