N-able Mail Assure vs Mimecast Email Security

NAN-able Mail Assure8.6Visit Mimecast Email Security7.9Visit

Higher score NA N-able Mail Assure #4 in Email Anti-Spam Software 8.6/10 Pricing on request · 30-day trial Free trial✓ 0 of 3 features Visit N-able

vs

Mimecast Email Security #6 in Email Anti-Spam Software 7.9/10 Pricing on request · 30-day trial Free trial✓ 3 of 3 features Visit Mimecast

• N-able Mail Assure fits best

  MSPs managing multiple protected mail environments

• Mimecast Email Security fits best

  Enterprises wanting mature secure email infrastructure

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Side by side

Feature	NAN-able Mail Assure 8.6/10 Visit ↗	Mimecast Email Security 7.9/10 Visit ↗
At a glance
Editor score	8.6	7.9
Ranking	#4 in Email Anti-Spam Software	#6 in Email Anti-Spam Software
Best for	MSPs managing multiple protected mail environments	Enterprises wanting mature secure email infrastructure
Pricing model	Paid	Paid
Starting price	Pricing on request · 30-day trial	—
Free plan	—	—
Free trial	30 days	30 days
Free trial length	30 days	30 days · no card needed
Deployment	Cloud	Cloud
Platforms	Web	Web
Integrations	2 integrations	300+ integrations
Features N-able Mail Assure 0/3 · Mimecast Email Security 3/3
Phishing detection	Not checked yet	✓ (best)
Malware scanning	Not checked yet	✓ (best)
Attachment scanning	Not checked yet	✓ (best)
Specs
Quarantine access	Not checked yet	User_and_admin
Supported mail platforms	Not checked yet	Microsoft 365, Google Workspace, on-premises and hybrid email
Quarantine retention	Not checked yet	Not checked yet
Deployment type	Not checked yet	Cloud_gateway
Our review
Pros	Filters inbound and outbound email with machine learning and threat intelligence Combines continuity, encrypted archiving, quarantine, and authentication controls Supports multitenant management, Microsoft 365, Google Workspace, and an API	AI detection covers phishing, BEC, anomalies, malicious URLs, and attachments Supports Microsoft 365, Google Workspace, on-premises, and hybrid email Integrates with CrowdStrike, Okta, Splunk, and Microsoft Sentinel
Cons	Pricing requires contacting sales rather than selecting a published numeric plan The 30-day offer is a trial, not a perpetual free plan Cloud deployment may not suit organizations requiring an on-premises model	Pricing requires contacting sales No perpetual free plan is offered Plan differences require comparing continuity, backup, and collaboration features
Our verdict	N-able Mail Assure is a cloud-based email security service designed primarily for managed service providers and their customers. It filters inbound and outbound email against spam, malware, phishing, ransomware, spoofing, and other… Read the review →	Mimecast Email Security is a cloud-based email protection service for organizations using Microsoft 365, Google Workspace, on-premises, or hybrid email. It targets teams that need centralized controls for phishing, business email… Read the review →

Strengths and trade-offs

• N-able Mail Assure — where it wins

  • Filters inbound and outbound email with machine learning and threat intelligence
  • Combines continuity, encrypted archiving, quarantine, and authentication controls
  • Supports multitenant management, Microsoft 365, Google Workspace, and an API

  Where it doesn't

  • Pricing requires contacting sales rather than selecting a published numeric plan
  • The 30-day offer is a trial, not a perpetual free plan
  • Cloud deployment may not suit organizations requiring an on-premises model

• Mimecast Email Security — where it wins

  • AI detection covers phishing, BEC, anomalies, malicious URLs, and attachments
  • Supports Microsoft 365, Google Workspace, on-premises, and hybrid email
  • Integrates with CrowdStrike, Okta, Splunk, and Microsoft Sentinel

  Where it doesn't

  • Pricing requires contacting sales
  • No perpetual free plan is offered
  • Plan differences require comparing continuity, backup, and collaboration features

• NAN-able Mail Assure8.6/10 · Pricing on request · 30-day trial

  A broad, MSP-focused email security service with filtering, continuity, archiving, and multitenant control.

  Visit N-ableFull verdict →
• Mimecast Email Security7.9/10 · Pricing on request · 30-day trial

  A broad email-security suite for organizations protecting complex mail environments.

  Visit MimecastFull verdict →