Mimecast Email Security vs Symantec Email Security.cloud

Mimecast Email Security9.3Visit Symantec Email Security.cloud8.7Visit

Higher score Mimecast Email Security #1 in Cloud Email Security 9.3/10 Pricing on request · 30-day trial Free trial✓ 0 of 2 features Visit Mimecast

vs

Symantec Email Security.cloud #7 in Cloud Email Security 8.7/10 Pricing on request ✓ 0 of 2 features Visit Symantec

• Mimecast Email Security fits best

  Organizations needing broad integrations

• Symantec Email Security.cloud fits best

  Established cloud gateway protection

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Side by side

Feature	Mimecast Email Security 9.3/10 Visit ↗	Symantec Email Security.cloud 8.7/10 Visit ↗
At a glance
Editor score	9.3	8.7
Ranking	#1 in Cloud Email Security	#7 in Cloud Email Security
Best for	Organizations needing broad integrations	Established cloud gateway protection
Pricing model	Paid	Paid
Starting price	—	Pricing on request
Free plan	—	Not checked yet
Free trial	30 days	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs, Community	Tickets, Community, Docs
Integrations	300+ integrations	3 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Mimecast Email Security 0/2 · Symantec Email Security.cloud 0/2
Post-delivery remediation	Not checked yet	Not checked yet
Data loss prevention	Not checked yet	Not checked yet
Specs
Deployment model	Not checked yet	Not checked yet
Threat detection	Not checked yet	Not checked yet
Email platforms	Not checked yet	Not checked yet
Maximum users	Not checked yet	Not checked yet
Our review
Pros	AI phishing, BEC, anomaly detection, and malicious-URL protection MX gateway and API deployment across major email environments 300 integrations plus continuity, sandboxing, and compliance certifications	Inbound and outbound filtering covers malware, spam, phishing, and impersonation. URL inspection and attachment isolation address links and files in transit. Supports Microsoft 365, Google Workspace, and Microsoft Exchange deployments.
Cons	Pricing requires contacting sales Cloud deployment may not fit on-premises security requirements No perpetual free plan; trial lasts 30 days	Pricing requires a sales or partner quote rather than a self-service plan. Cloud sandboxing and advanced detection are add-on capabilities. Cloud-only deployment excludes on-premises installations.
Our verdict	Mimecast Email Security protects Microsoft 365, Google Workspace, on-premises, and hybrid email environments. It targets small, mid-market, and enterprise organizations that need centralized controls for phishing, business email… Read the review →	Symantec Email Security.cloud is a cloud-delivered email security service for mid-market and enterprise organizations using Microsoft 365, Google Workspace, Microsoft Exchange, or other mail systems. It filters inbound and outbound… Read the review →

Strengths and trade-offs

• Mimecast Email Security — where it wins

  • AI phishing, BEC, anomaly detection, and malicious-URL protection
  • MX gateway and API deployment across major email environments
  • 300 integrations plus continuity, sandboxing, and compliance certifications

  Where it doesn't

  • Pricing requires contacting sales
  • Cloud deployment may not fit on-premises security requirements
  • No perpetual free plan; trial lasts 30 days

• Symantec Email Security.cloud — where it wins

  • Inbound and outbound filtering covers malware, spam, phishing, and impersonation.
  • URL inspection and attachment isolation address links and files in transit.
  • Supports Microsoft 365, Google Workspace, and Microsoft Exchange deployments.

  Where it doesn't

  • Pricing requires a sales or partner quote rather than a self-service plan.
  • Cloud sandboxing and advanced detection are add-on capabilities.
  • Cloud-only deployment excludes on-premises installations.

• Mimecast Email Security9.3/10 · Pricing on request · 30-day trial

  Broad email protection with gateway, API, continuity, and 300 integrations.

  Visit MimecastFull verdict →
• Symantec Email Security.cloud8.7/10 · Pricing on request

  Established cloud gateway with layered protection for major business mail platforms.

  Visit SymantecFull verdict →