No. 2 of 31 ·Email Security Gateways

Mailprotector

Web · API

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Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Mailprotector is ranked #2 of 31 in email security gateways on Freedom251. It runs on API, Web. There is a free plan.

Mailprotector plans and pricing

All plans

Radar Free Free email security check mailprotector.com · 4 Oct 2026

Mailprotector products (pricing not publicly listed) Not published Current product pricing available from account manager support.mailprotector.com · 4 Oct 2026

Compared on email security gateways

Outbound filtering: Yes
Impersonation protection: Yes
Deployment model: gateway
Microsoft 365 support: Yes
Google Workspace support: Yes

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The record

What it does: Mailprotector designs, builds, and supports products that help organizations secure and optimize email.
Who it is for: Mailprotector says its products are built exclusively for managed service providers (MSPs).
Shield: Shield combines a secure email gateway with a patented API integration and is built for Microsoft 365 environments.
Shield limitation: Mailprotector says Shield currently supports Microsoft 365; Google Workspace support is described as on the horizon.
CloudFilter: CloudFilter filters email for platforms where the customer has MX record control, including Microsoft 365, Google Workspace, on-premises servers, hosted environments, and POP/IMAP.
Encryption: Bracket encrypts messages when the subject contains square brackets and requires no apps, plugins, or passwords from senders or recipients.
Bracket security: Bracket uses AES-256, and its sign-in links are one-time use, expire after 15 minutes, and are invalidated if opened from another device.
Compliance: Mailprotector states it holds the HIPAA Seal of Compliance from Compliancy Group and is SOC 2 Type 2 certified.
Archive limits: SecureStore captures messages on a go-forward basis and has a seven-year default retention period that can be configured up or down.
Integrations: The integrations page lists ConnectWise, Autotask, and Gradient for synchronizing licensing or service counts and billing workflows.
Integration pricing: Mailprotector says its ConnectWise, Autotask, and Gradient integrations are provided free of charge.
Support: Mailprotector support hours are Monday through Friday, 9:00 AM to 8:00 PM ET, excluding federal holidays.
Company history: Mailprotector says it was founded in Greenville, South Carolina, in 2000.
Founded: 2000
Price from: Free

Where it ranks on Freedom251

Best Email Security Gateways in 2026#2 of 31
Best Email Anti-Spam Software in 2026#3 of 26

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Sources

mailprotector.com/about/· checked 4 Oct 2026
mailprotector.com/contact/· checked 4 Oct 2026
mailprotector.com/faqs/· checked 4 Oct 2026
mailprotector.com/faqs/· checked 4 Oct 2026
mailprotector.com/integrations/· checked 4 Oct 2026
support.mailprotector.com/hc/en-us/articles/200155475-General-Sup· checked 4 Oct 2026
mailprotector.com· checked 28 Sept 2026
support.mailprotector.com/hc/en-us/related/click· checked 4 Oct 2026