Mimecast vs Cisco Secure Email

Cisco Secure Email and Mimecast are both enterprise email gateway solutions. Cisco Secure Email enterprise email security gateway with Cisco Talos threat intelligence integration, while Mimecast cloud email security platform with threat protection, archiving, and continuity. The best choice depends on your organization's size, technical requirements, and budget.

Updated Feb 2026
How we compare:This comparison is based on official documentation, public pricing, community discussions, and aggregated user feedback, not hands-on testing by our team. We organize what real users and practitioners are saying across the web.

The Bottom Line

Choose Cisco Secure Email if strong malware detection powered by Cisco Talos threat intelligence is your priority and cisco-centric enterprises wanting email security that integrates with their existing Cisco networking and security stack. Choose Mimecast if email continuity keeps mail flowing during outages — unique differentiator matters most and mid-to-large enterprises wanting a unified email security, archiving, and continuity platform with strong API integrations.

Choose Mimecast if:

  • You value strong malware detection powered by Cisco Talos threat intelligence
  • You value deep integration with Cisco SecureX and broader Cisco security stack
  • You value flexible deployment options including on-premises appliance
  • You want to avoid detection efficacy slightly behind Proofpoint for advanced threats
  • You want to avoid email archiving search performance can be slow on large datasets

Choose Cisco Secure Email if:

  • You value email continuity keeps mail flowing during outages — unique differentiator
  • You value strong impersonation and brand protection capabilities
  • You value unified platform covering security, archiving, and continuity
  • You want to avoid bEC detection significantly behind Proofpoint and Abnormal Security
  • You want to avoid administration interface feels dated and complex

Feature Comparison

FeatureMimecastCisco Secure Email
PricingCustom enterprise pricing / per-user licensingCustom pricing / per-user licensing
Pricing ModelPer-user subscription or appliance licensePer-user subscription
Open SourceNoNo
DeploymentCloud, Self-HostedCloud
Best ForCisco-centric enterprises wanting email security that integrates with their existing Cisco networking and security stackMid-to-large enterprises wanting a unified email security, archiving, and continuity platform with strong API integrations
Advanced malware protection with Talo...SupportedNot available
Forged email detection for BECSupportedNot available
Cisco SecureX integration for cross-d...SupportedNot available

Sources

Related

Mimecast AlternativesCisco Secure Email AlternativesMimecast OverviewCisco Secure Email Overview