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Head-to-head · Email Security Gateways

Sublime Security vs Darktrace / EMAIL

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Sublime Security #1 in Email Security Gateways 9.4/10 Free plan Free plan✓ 5 of 5 features Try Sublime Security
Darktrace / EMAIL #4 in Email Security Gateways 8.9/10 Pricing on request · 30-day trial Free trial✓ 5 of 5 features Visit Darktrace

Sublime Security leads on 1 check, Darktrace / EMAIL on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSublime Security · 9.4/10
  • Free planonly Sublime Security
  • Free trialonly Darktrace / EMAIL

Sublime Security scores higher on our rubric for email security gateways: 9.4 against 8.9 out of 10; our editors rank them #1 and #4.

Sublime Security offers free plan; Darktrace / EMAIL doesn't. On deployment model, Sublime Security gives you Hybrid where Darktrace / EMAIL offers Cloud.

Sublime Security is the better fit for teams wanting strong value and customization. Darktrace / EMAIL is the better fit for behavioral AI threat detection.

  • Sublime Security fits best

    Teams wanting strong value and customization

  • Darktrace / EMAIL fits best

    Behavioral AI threat detection

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Sublime Security 9.4/10 Visit ↗ Darktrace / EMAIL 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in Email Security Gateways #4 in Email Security Gateways
Best for Teams wanting strong value and customization Behavioral AI threat detection
Pricing model Free plan + paid Paid
Starting price — Pricing on request · 30-day trial
Free plan ✓ (best) —
Free trial — 30 days
Integrations 9 integrations 10 integrations
Features Sublime Security 5/5 · Darktrace / EMAIL 5/5
Outbound filtering ✓ ✓
Impersonation protection ✓ ✓
Malware sandboxing ✓ ✓
Microsoft 365 support ✓ ✓
Google Workspace support ✓ ✓
Specs
Deployment model Hybrid Cloud
Our review
Pros
  • Free Core plan includes AI detection and response features
  • Detects impersonation, malware, phishing, and policy violations
  • Supports Microsoft 365, Google Workspace, APIs, SIEM/SOAR, and CrowdStrike
  • Detects known, novel, impersonation, and business email compromise threats
  • Protects inbound, outbound, and lateral email with automated remediation
  • Connects with Microsoft 365, Google Workspace, SIEM, and service tools
Cons
  • Core is intended for lightweight deployments
  • Advanced controls are reserved for Enterprise
  • Premium support is available with Enterprise
  • Pricing requires a tailored quote through sales
  • No free plan is offered
  • Cloud deployment may not suit organizations seeking on-premises hosting
Our verdict

Sublime Security is an AI-powered email security platform for organizations using Microsoft 365, Google Workspace, IMAP, or direct APIs. It covers phishing, business email compromise, malware, impersonation, spam, and policy violations,…

Read the review →

Darktrace / EMAIL is a cloud-hosted email security product for organizations and security teams. Its self-learning behavioral AI analyzes inbound, outbound, and lateral email to identify phishing, impersonation, business email compromise,…

Read the review →
  1. Sublime SecurityEmail Security Gateways 9.4Free plan
  2. Darktrace / EMAILEmail Security Gateways 8.9Pricing on request · 30-day trial

Strengths and trade-offs

  • Sublime Security — where it wins

    • Free Core plan includes AI detection and response features
    • Detects impersonation, malware, phishing, and policy violations
    • Supports Microsoft 365, Google Workspace, APIs, SIEM/SOAR, and CrowdStrike

    Where it doesn't

    • Core is intended for lightweight deployments
    • Advanced controls are reserved for Enterprise
    • Premium support is available with Enterprise
  • Darktrace / EMAIL — where it wins

    • Detects known, novel, impersonation, and business email compromise threats
    • Protects inbound, outbound, and lateral email with automated remediation
    • Connects with Microsoft 365, Google Workspace, SIEM, and service tools

    Where it doesn't

    • Pricing requires a tailored quote through sales
    • No free plan is offered
    • Cloud deployment may not suit organizations seeking on-premises hosting
  • Sublime Security9.4/10 · Free plan

    A customizable email security platform with unusually broad protection in its free Core plan.

    Try Sublime SecurityFull verdict →
  • Darktrace / EMAIL8.9/10 · Pricing on request · 30-day trial

    Behavioral AI protection across email, collaboration tools, and connected security systems.

    Visit DarktraceFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update