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Head-to-head · Email Security Gateways

Sublime Security vs Libraesva Email Security

  • 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
Libraesva Email Security #7 in Email Security Gateways 8.6/10 Pricing on request · 30-day trial Free trial✓ 5 of 5 features Visit Libraesva

Sublime Security leads on 1 check, Libraesva Email Security 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 Libraesva Email Security

Sublime Security scores higher on our rubric for email security gateways: 9.4 against 8.6 out of 10; our editors rank them #1 and #7.

Sublime Security offers free plan; Libraesva Email Security doesn't.

Sublime Security is the better fit for teams wanting strong value and customization. Libraesva Email Security is the better fit for hybrid deployments with advanced analysis.

  • Sublime Security fits best

    Teams wanting strong value and customization

  • Libraesva Email Security fits best

    Hybrid deployments with advanced analysis

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 ↗ Libraesva Email Security 8.6/10 Visit ↗
At a glance
Editor score 9.4 8.6
Ranking #1 in Email Security Gateways #7 in Email Security Gateways
Best for Teams wanting strong value and customization Hybrid deployments with advanced analysis
Pricing model Free plan + paid Paid
Starting price — Pricing on request · 30-day trial
Free plan ✓ (best) —
Free trial — 30 days
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Integrations 9 integrations 7 integrations
Features Sublime Security 5/5 · Libraesva Email Security 5/5
Outbound filtering ✓ ✓
Impersonation protection ✓ ✓
Malware sandboxing ✓ ✓
Microsoft 365 support ✓ ✓
Google Workspace support ✓ ✓
Specs
Deployment model Hybrid Hybrid
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
  • Semantic and behavioral AI address deception and account-takeover risks.
  • Inbound and outbound scanning includes URL and attachment analysis.
  • Supports Microsoft 365, Google Workspace, legacy protocols, SIEM, and hybrid deployment.
Cons
  • Core is intended for lightweight deployments
  • Advanced controls are reserved for Enterprise
  • Premium support is available with Enterprise
  • Pricing requires contacting sales for a quote.
  • There is no free plan.
  • Its broad security scope may exceed simpler email-filtering needs.
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 →

Libraesva Email Security is an email security gateway for organizations protecting inbound and outbound mail against phishing, malware, business email compromise, impersonation, account takeover, spam, and malicious URLs. It combines…

Read the review →
  1. Sublime SecurityEmail Security Gateways 9.4Free plan
  2. Libraesva Email SecurityEmail Security Gateways 8.6Pricing 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

  • Libraesva Email Security — where it wins

    • Semantic and behavioral AI address deception and account-takeover risks.
    • Inbound and outbound scanning includes URL and attachment analysis.
    • Supports Microsoft 365, Google Workspace, legacy protocols, SIEM, and hybrid deployment.

    Where it doesn't

    • Pricing requires contacting sales for a quote.
    • There is no free plan.
    • Its broad security scope may exceed simpler email-filtering needs.
  • Sublime Security9.4/10 · Free plan

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

    Try Sublime SecurityFull verdict →
  • Libraesva Email Security8.6/10 · Pricing on request · 30-day trial

    A broad email gateway for organizations needing advanced inbound and outbound threat analysis.

    Visit LibraesvaFull verdict →

More comparisons

All email security gateways comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update