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Head-to-head · Email Security Gateways

Sophos Email vs N-able Mail Assure

  • Updated Sep 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Sophos Email #2 in Email Security Gateways 8.2/10 Pricing on request · 30-day trial ✓ 5 of 5 features Visit Sophos Email
N-able Mail Assure #22 in Email Security Gateways 5.6/10 Pricing on request · 30-day trial ✓ 4 of 5 features Visit N-able

Sophos Email leads on 1 check, N-able Mail Assure 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 scoreSophos Email · 8.2/10
  • Most featuresSophos Email · 5 of 5

Sophos Email scores higher on our rubric for email security gateways: 8.2 against 5.6 out of 10; our editors rank them #2 and #22.

Sophos Email offers malware sandboxing; N-able Mail Assure doesn't publish it.

Sophos Email is the better fit for microsoft 365 and Google Workspace security. N-able Mail Assure is the better fit for multitenant email administration.

  • Sophos Email fits best

    Microsoft 365 and Google Workspace security

  • N-able Mail Assure fits best

    Multitenant email administration

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Sophos Email 8.2/10 Visit ↗ N-able Mail Assure 5.6/10 Visit ↗
At a glance
Editor score 8.2 5.6
Ranking #2 in Email Security Gateways #22 in Email Security Gateways
Best for Microsoft 365 and Google Workspace security Multitenant email administration
Pricing model Paid Paid
Starting price Not published Not published
Free plan — —
Free trial — —
Free trial length 30 days 30 days
Deployment Cloud Cloud
Platforms Web Web
Integrations 5 integrations 2 integrations
Features Sophos Email 5/5 · N-able Mail Assure 4/5
Outbound filtering ✓ ✓
Impersonation protection ✓ ✓
Malware sandboxing ✓ (best) Not published
Microsoft 365 support ✓ ✓
Google Workspace support ✓ ✓
Specs
Deployment model Cloud Cloud
Our review
Pros
  • Covers phishing, malware, impersonation, URLs, QR codes, and clawback
  • Supports SPF, DKIM, DMARC, DLP, encryption, and sandboxing
  • Integrates with Microsoft 365, Google Workspace, Sophos MDR, and XDR
  • Inbound and outbound filtering with machine learning and threat intelligence
  • Multitenant console supports Microsoft 365 and Google Workspace environments
  • Combines continuity, archiving, quarantine, and private messaging
Cons
  • Pricing is quote-based rather than published as numerical plans
  • No perpetual free plan is offered
  • Advanced capabilities depend on the higher Sophos Email Plus tier
  • Pricing requires contacting sales rather than choosing a published plan
  • No perpetual free plan is offered
  • The feature breadth may exceed the needs of single-tenant teams
Our verdict

Sophos Email is a cloud-managed email security product for business, educational, and government organizations. It is designed for teams using Microsoft 365 or Google Workspace that need protection against phishing, business email…

Read the review →

N-able Mail Assure is a cloud-based email security service designed primarily for managed service providers and the customers they administer. It filters inbound and outbound email for spam, malware, phishing, ransomware, spoofing, and…

Read the review →
  1. Sophos EmailEmail Security Gateways 8.2Pricing on request · 30-day trial
  2. N-able Mail AssureEmail Security Gateways 5.6Pricing on request · 30-day trial

Strengths and trade-offs

  • Sophos Email — where it wins

    • Covers phishing, malware, impersonation, URLs, QR codes, and clawback
    • Supports SPF, DKIM, DMARC, DLP, encryption, and sandboxing
    • Integrates with Microsoft 365, Google Workspace, Sophos MDR, and XDR

    Where it doesn't

    • Pricing is quote-based rather than published as numerical plans
    • No perpetual free plan is offered
    • Advanced capabilities depend on the higher Sophos Email Plus tier

  • N-able Mail Assure — where it wins

    • Inbound and outbound filtering with machine learning and threat intelligence
    • Multitenant console supports Microsoft 365 and Google Workspace environments
    • Combines continuity, archiving, quarantine, and private messaging

    Where it doesn't

    • Pricing requires contacting sales rather than choosing a published plan
    • No perpetual free plan is offered
    • The feature breadth may exceed the needs of single-tenant teams
  • Sophos Email8.2/10 · Pricing on request · 30-day trial

    A broad cloud gateway for Microsoft 365 and Google Workspace email protection.

    Visit Sophos EmailFull verdict →
  • N-able Mail Assure5.6/10 · Pricing on request · 30-day trial

    A broad cloud gateway for MSPs managing filtering, continuity, archiving, and multiple tenants.

    Visit N-ableFull verdict →

More comparisons

All email security gateways comparisons → · Full ranking →

Guides on email security gateways

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update