# Mimecast Advanced Email Security vs Symantec Messaging Gateway Comparison
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## AI Generated Summary
- **G2 reviewers report** that Mimecast Advanced Email Security excels in its protection against **phishing** , **malware** , and impersonation attacks, with users highlighting its **AI-powered, multi-layer detection** capabilities that make it easy to manage and monitor threats effectively.
- **Users say** that Symantec Messaging Gateway offers a **friendly interface** and is easy to deploy, making it a solid choice for organizations looking for straightforward email security solutions, although it may not provide the same level of advanced threat protection as Mimecast.
- **Reviewers mention** that Mimecast's intuitive interface simplifies daily tasks such as **policy updates** and **threat investigation** , which enhances user experience and operational efficiency compared to Symantec, where some users find the interface less intuitive.
- **According to verified reviews** , Mimecast Advanced Email Security has a significantly higher overall satisfaction score, reflecting its strong performance in areas like **spam and virus defense** , while Symantec Messaging Gateway, despite being effective, falls short in user satisfaction metrics.
- **Users highlight** that Mimecast's comprehensive **quarantine** and **outbound email monitoring** features provide robust security, whereas Symantec's offerings in these areas, while functional, do not match the depth and effectiveness reported by Mimecast users.
- **Reviewers note** that while both products provide good **anti-malware** protection, Mimecast Advanced Email Security stands out with a higher rating in user feedback, indicating a more reliable and effective solution for safeguarding against email threats.



| | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Star Rating** | 4.4 out of 5 | 3.9 out of 5 | 
| **Total Reviews** | 320 | 21 | 
| **Largest Market Segment** | Mid-Market (68.4% of reviews) | Enterprise (46.7% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Mimecast Advanced Email Security

Pros:
- Email Security (40 reviews)
- Ease of Use (36 reviews)

Cons:
- Complexity (17 reviews)
- Email Filtering Issues (16 reviews)

### Symantec Messaging Gateway

**Not enough data**

---
## Ratings Comparison
| Rating | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
  | **Meets Requirements** | 9.0 (252 reviews) | 8.1 (14 reviews) | 
  | **Ease of Use** | 8.0 (258 reviews) | 8.2 (14 reviews) | 
  | **Ease of Setup** | 8.0 (206 reviews) | 8.2 (11 reviews) | 
  | **Ease of Admin** | 7.9 (206 reviews) | 7.5 (12 reviews) | 
  | **Quality of Support** | 8.3 (245 reviews) | 7.4 (13 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.7 (205 reviews) | 8.3 (10 reviews) | 
  | **Product Direction (% positive)** | 8.9 (246 reviews) | 8.1 (12 reviews) | 

---
## Pricing

### Mimecast Advanced Email Security

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Symantec Messaging Gateway

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Cloud Email Security

| Product | Score | Reviews |
|---|---|---|
| **Mimecast Advanced Email Security** | 8.5/10 | 139 |
| **Symantec Messaging Gateway** | N/A | N/A |

#### Administration

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Intelligence Reporting** | 8.0 (117 reviews) | Not enough data | 
| **Email Integration Suppor** | 8.4 (121 reviews) | Not enough data | 
| **Access Management** | 8.2 (117 reviews) | Not enough data | 
| **Data Loss Prevention** | 8.2 (101 reviews) | Not enough data | 

#### Maintenance

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Auditing** | 8.1 (116 reviews) | Not enough data | 
| **Allow and block lists** | 8.9 (122 reviews) | Not enough data | 
| **Compliance** | 8.5 (108 reviews) | Not enough data | 
| **Archiving** | 8.6 (115 reviews) | Not enough data | 

#### Security

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Anti-Malware/Anti-Spam** | 9.0 (134 reviews) | Not enough data | 
| **Encryption** | 8.2 (110 reviews) | Not enough data | 
| **Quarantine** | 9.0 (129 reviews) | Not enough data | 
| **Advanced Threat Protection (ATP)** | 8.8 (124 reviews) | Not enough data | 
| **Anti-Phishing** | 8.8 (127 reviews) | Not enough data | 
| **Account takeover prevention** | 7.7 (88 reviews) | Not enough data | 

### Intelligent Email Protection

| Product | Score | Reviews |
|---|---|---|
| **Mimecast Advanced Email Security** | 8.7/10 | 138 |
| **Symantec Messaging Gateway** | N/A | N/A |

#### Administration

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Compliance** | 8.5 (112 reviews) | Not enough data | 
| **Intelligence Reporting** | 8.6 (124 reviews) | Not enough data | 
| **Email Clients** | 9.1 (127 reviews) | Not enough data | 
| **Role-Based Rules** | 8.9 (127 reviews) | Not enough data | 

#### Detection

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Data Exfiltration Detection** | 8.3 (115 reviews) | Not enough data | 
| **Activity Monitoring** | 8.5 (119 reviews) | Not enough data | 
| **Real-Time Detection** | 8.9 (126 reviews) | Not enough data | 

#### Protection

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Targeted Attack Prevention** | 9.0 (125 reviews) | Not enough data | 
| **Policy Enforcement** | 9.0 (130 reviews) | Not enough data | 
| **Spam Filtering** | 9.1 (133 reviews) | Not enough data | 

#### Agentic AI - Intelligent Email Protection

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Autonomous Task Execution** | 7.9 (8 reviews) | Not enough data | 
| **Adaptive Learning** | 8.1 (8 reviews) | Not enough data | 

### Secure Email Gateway

| Product | Score | Reviews |
|---|---|---|
| **Mimecast Advanced Email Security** | 8.9/10 | 135 |
| **Symantec Messaging Gateway** | 8.4/10 | 12 |

#### Functionality

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Anti-Spam** | 9.1 (133 reviews) ✓ Verified | 8.5 (8 reviews) | 
| **Anti-Malware** | 9.2 (133 reviews) ✓ Verified | 9.0 (8 reviews) | 
| **Anti-Phishing** | 8.8 (133 reviews) ✓ Verified | 8.6 (7 reviews) | 
| **Filtering Functionality** | 9.0 (131 reviews) ✓ Verified | 9.0 (8 reviews) | 
| **Quarantine** | 9.0 (131 reviews) ✓ Verified | 8.3 (8 reviews) | 
| **Outbound Email Monitoring** | 9.1 (126 reviews) ✓ Verified | 8.1 (8 reviews) | 
| **Advanced Threat Intelligence/Protection** | 9.0 (129 reviews) ✓ Verified | 8.6 (7 reviews) | 
| **Archiving** | 8.8 (123 reviews) ✓ Verified | 8.1 (7 reviews) | 
| **Reporting** | 8.5 (130 reviews) ✓ Verified | 7.5 (8 reviews) | 
| **On-prem deployment** | Feature Not Available | 8.5 (8 reviews) | 

#### Agentic AI - Secure Email Gateway

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | 

### Email Anti-spam

| Product | Score | Reviews |
|---|---|---|
| **Mimecast Advanced Email Security** | N/A | N/A |
| **Symantec Messaging Gateway** | N/A | N/A |

#### Agentic AI - Email Anti-spam Features

| Feature | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway)

**Unique to Mimecast Advanced Email Security (3):** [Intelligent Email Protection Software](https://www.g2.com/categories/intelligent-email-protection), [Cloud Email Security Solutions](https://www.g2.com/categories/cloud-email-security), [Browser Isolation Software](https://www.g2.com/categories/browser-isolation)

**Unique to Symantec Messaging Gateway (1):** [Email Anti-spam Software](https://www.g2.com/categories/email-anti-spam)


---
## Reviewer Demographics

### By Company Size

| Segment | Mimecast Advanced Email Security | Symantec Messaging Gateway | 
|---|---|---|
| **Small-Business** | 15.7% | 26.7% | 
| **Mid-Market** | 68.4% | 26.7% | 
| **Enterprise** | 16.0% | 46.7% | 

### By Industry

#### Mimecast Advanced Email Security

- **Legal Services:** 9.3%
- **Information Technology and Services:** 8.0%
- **Financial Services:** 6.4%
- **Construction:** 4.5%
- **Computer Software:** 4.2%
- **Insurance:** 3.5%
- **Law Practice:** 3.5%
- **Computer & Network Security:** 3.2%
- **Hospital & Health Care:** 3.2%
- **Non-Profit Organization Management:** 2.6%
- **Other:** 51.6%

#### Symantec Messaging Gateway

- **Information Technology and Services:** 26.7%
- **Transportation/Trucking/Railroad:** 13.3%
- **Banking:** 13.3%
- **Non-Profit Organization Management:** 6.7%
- **Hospitality:** 6.7%
- **Education Management:** 6.7%
- **Computer & Network Security:** 6.7%
- **Civil Engineering:** 6.7%
- **Broadcast Media:** 6.7%
- **Architecture & Planning:** 6.7%

---
## Alternatives

### Alternatives to Mimecast Advanced Email Security

- [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) — 4.6/5 stars (601 reviews)
- [SpamTitan Email Security](https://www.g2.com/products/spamtitan-email-security/reviews) — 4.5/5 stars (199 reviews)
- [Cloudflare One (SASE)](https://www.g2.com/products/cloudflare-one-sase/reviews) — 4.6/5 stars (105 reviews)
- [Cisco Secure Email Threat Defense](https://www.g2.com/products/cisco-secure-email-threat-defense/reviews) — 4.3/5 stars (28 reviews)
- [Microsoft Defender for Office 365](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews) — 4.5/5 stars (298 reviews)
- [KnowBe4 Cloud Email Security (Formerly Egress)](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/reviews) — 4.5/5 stars (74 reviews)
- [Abnormal AI](https://www.g2.com/products/abnormal-ai/reviews) — 4.8/5 stars (78 reviews)
- [Barracuda Email Gateway Defense](https://www.g2.com/products/barracuda-email-gateway-defense/reviews) — 4.2/5 stars (39 reviews)
- [FortiMail](https://www.g2.com/products/fortimail/reviews) — 4.3/5 stars (24 reviews)
- [N-able Mail Assure](https://www.g2.com/products/n-able-mail-assure/reviews) — 4.0/5 stars (68 reviews)

### Alternatives to Symantec Messaging Gateway

- [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) — 4.6/5 stars (601 reviews)
- [SpamTitan Email Security](https://www.g2.com/products/spamtitan-email-security/reviews) — 4.5/5 stars (199 reviews)
- [Microsoft Defender for Office 365](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews) — 4.5/5 stars (298 reviews)
- [Paubox](https://www.g2.com/products/paubox/reviews) — 4.9/5 stars (600 reviews)
- [Check Point Email Security](https://www.g2.com/products/check-point-email-security/reviews) — 4.6/5 stars (534 reviews)
- [Valimail](https://www.g2.com/products/valimail/reviews) — 4.5/5 stars (459 reviews)
- [Virtru Email Encryption](https://www.g2.com/products/virtru-email-encryption/reviews) — 4.4/5 stars (417 reviews)
- [CyberSentriq](https://www.g2.com/products/cybersentriq/reviews) — 4.6/5 stars (391 reviews)
- [FortiMail](https://www.g2.com/products/fortimail/reviews) — 4.3/5 stars (24 reviews)
- [SaneBox](https://www.g2.com/products/sanebox/reviews) — 4.8/5 stars (227 reviews)

---
## Top Discussions

### Mimecast Advanced Email Security

- Title: [Has anyone implemented ingesting the Audit logs from Mimecast into Graylog?](https://www.g2.com/discussions/has-anyone-implemented-ingesting-the-audit-logs-from-mimecast-into-graylog) — 3 comments, 1 upvote
  > **Top comment:** "I have not, I just use the built in alerts and mxtoolbox for mail flow."
- Title: [What is Mimecast Email Security with Targeted Threat Protection used for?](https://www.g2.com/discussions/what-is-mimecast-email-security-with-targeted-threat-protection-used-for) — 2 comments
  > **Top comment:** "Mimecast Email Security with Targeted Threat Protection is used to defend against phishing, malware, ransomware, and impersonation attacks.... It provides..."

### Symantec Messaging Gateway

No discussions available for this product.

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**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/mimecast-advanced-email-security-vs-symantec-symantec-messaging-gateway)