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Head-to-head · Cloud Email Security

Mimecast Email Security vs Sophos Email

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
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
Sophos Email #2 in Cloud Email Security 9.2/10 Pricing on request · 30-day trial Free trial✓ 0 of 2 features Visit Sophos

Mimecast Email Security leads on 0 checks, Sophos Email on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMimecast Email Security · 9.3/10
  • Free trialboth

Mimecast Email Security scores higher on our rubric for cloud email security: 9.3 against 9.2 out of 10; our editors rank them #1 and #2.

Mimecast Email Security is the better fit for organizations needing broad integrations. Sophos Email is the better fit for full-featured cloud email defense.

  • Mimecast Email Security fits best

    Organizations needing broad integrations

  • Sophos Email fits best

    Full-featured cloud email defense

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Side by side

Feature Mimecast Email Security 9.3/10 Visit ↗ Sophos Email 9.2/10 Visit ↗
At a glance
Editor score 9.3 9.2
Ranking #1 in Cloud Email Security #2 in Cloud Email Security
Best for Organizations needing broad integrations Full-featured cloud email defense
Pricing model Paid Paid
Starting price — —
Free plan — —
Free trial 30 days 30 days
Free trial length 30 days · no card needed 30 days
Deployment Cloud Cloud
Platforms Web Web
Integrations 300+ integrations 5 integrations
Features Mimecast Email Security 0/2 · Sophos Email 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
  • AI detection, sandboxing, URL checks, and post-delivery clawback
  • DLP policies, email encryption, and portal encryption
  • Microsoft 365 and Google Workspace integration with Sophos ecosystem links
Cons
  • Pricing requires contacting sales
  • Cloud deployment may not fit on-premises security requirements
  • No perpetual free plan; trial lasts 30 days
  • Pricing requires contacting sales rather than choosing a public numerical plan
  • There is no perpetual free plan after the 30-day trial
  • Cloud deployment may not fit organizations requiring on-premises email security
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 →

Sophos Email is a cloud-managed security product for business, educational, and government organizations. It protects mailboxes against phishing, business email compromise, spam, malicious URLs, malware, ransomware delivery, and…

Read the review →
  1. Mimecast Email SecurityCloud Email Security 9.3Pricing on request · 30-day trial
  2. Sophos EmailCloud Email Security 9.2Pricing on request · 30-day trial

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

  • Sophos Email — where it wins

    • AI detection, sandboxing, URL checks, and post-delivery clawback
    • DLP policies, email encryption, and portal encryption
    • Microsoft 365 and Google Workspace integration with Sophos ecosystem links

    Where it doesn't

    • Pricing requires contacting sales rather than choosing a public numerical plan
    • There is no perpetual free plan after the 30-day trial
    • Cloud deployment may not fit organizations requiring on-premises email security
  • Mimecast Email Security9.3/10 · Pricing on request · 30-day trial

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

    Visit MimecastFull verdict →
  • Sophos Email9.2/10 · Pricing on request · 30-day trial

    A broad cloud defense stack for organizations securing Microsoft 365 or Google Workspace mail.

    Visit SophosFull verdict →

More comparisons

All cloud email security comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update