Trustifi is an email security platform combining inbound filtering, outbound encryption and data loss prevention for Microsoft 365 and Google Workspace, priced per mailbox with custom quotes and a free trial.
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Trustifi is an email security platform from Trustifi for Microsoft 365 and Google Workspace deployments. Founded in 2005 and based in Las Vegas, Nevada, USA, it combines three primary modules: Inbound Shield for phishing and malware filtering using AI-powered threat detection; Outbound Shield for data loss prevention and NSA-grade end-to-end email encryption; and Archive for email retention, compliance and eDiscovery support.
The platform integrates with Microsoft 365 and Google Workspace through API-based scanning and centralized Outlook add-in deployment, allowing email security without requiring email relay or complex gateway configuration. Inbound Shield blocks spoofing and impersonation attacks while detecting advanced threats through multi-layered scanning. Outbound Shield enforces granular DLP rules and automatically encrypts emails containing sensitive information, including automatic encryption of sensitive images via optical character recognition. Trustifi supports multi-tenant deployments with a dedicated MSSP dashboard for managing multiple customer email security instances from a single console, which suits MSPs reselling email security to their own customer base.
Pricing starts at $3 per mailbox per month (checked September 2026), though most deployments are quoted based on volume and feature tier selection. Email archiving is charged separately at approximately $4 per mailbox per month and includes retention management, legal hold capabilities and eDiscovery for compliance needs. The platform includes a free trial lasting up to 90 days, allowing hands-on evaluation before purchase, plus security awareness training capabilities added in 2026 and automatic failover for business continuity during email service disruptions. MSPs should verify that Trustifi's specific feature tier covers their resale requirements before comparing pricing against competitors like Mimecast or Proofpoint Essentials, and confirm the trial period is sufficient to evaluate the multi-tenant console and MSSP reporting capabilities before committing to production.
Trustifi stands out for MSPs who want to resell email security through a dedicated multi-tenant console rather than direct end-user licensing. It suits shops deploying across many Microsoft 365 tenants or Google Workspace instances and wanting API-based integration without email relay complexity. Pricing is quote-based, so confirm the per-mailbox rate and feature tier match your needs before comparing against Mimecast or Proofpoint Essentials. Check whether email archiving at $4 per mailbox per month is included in your core tier or billed separately. Verify the trial covers all features you plan to resell.
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Microsoft Defender for Office 365 Microsoft 365 email security against phishing and malware, priced per user per month. No reviews yet · from £1.54 All alternatives to Trustifi| Feature | Supported | Note |
|---|---|---|
| Phishing and malware filtering | yes | Inbound Shield uses AI-powered multi-layered scanning to detect and block phishing, malware, and advanced threats |
| Spoofing and impersonation protection | yes | Blocks spoofing and impersonation attacks as part of Inbound Shield threat detection |
| Email continuity | yes | Automatic failover and cloud-based backup for business continuity during email service disruptions |
| Archiving | yes | Email archiving module with retention management, eDiscovery, and compliance support; charged separately at approximately $4 per mailbox per month |
| Security awareness training bundle | yes | Security awareness training bundle added in 2026 updates |
| API-based post-delivery scanning | yes | Microsoft Graph API integration for Office 365 and Google Workspace API support |
| DMARC monitoring | unknown | |
| Attachment sandboxing | unknown | |
| Data loss prevention | yes | Full DLP with sophisticated rules engine in Outbound Shield to prevent accidental data loss |
| Email encryption | yes | End-to-end email encryption with NSA-grade encryption standards; automatically encrypts sensitive images via OCR |
| Microsoft 365 integration | yes | Native Microsoft 365 and Office 365 integration via Graph API with centralized Outlook add-in deployment |
| Self-service quarantine | unknown |
Trustifi is priced per mailbox per month with a published starting price of approximately $3 per mailbox per month, though most MSP deployments are quoted based on volume and feature tier selection. Email archiving is charged separately at around $4 per mailbox per month. Trustifi's multi-tenant console allows MSPs to manage email security for multiple customer tenants from a single dashboard, and pricing can be customized for white-label or wholesale billing arrangements. Contact Trustifi sales to request a quote tailored to your customer base and resale model.
Trustifi offers a free trial lasting up to 90 days, allowing you to evaluate the platform hands-on without requiring a credit card upfront. The trial provides access to Inbound Shield phishing filtering, Outbound Shield data loss prevention, and the multi-tenant console for managing multiple customer tenants. After the trial ends, ongoing use requires a paid subscription; there is no free tier available. MSPs should use the trial period to verify that Trustifi's feature set matches their security requirements and resale pricing model before going live with customer tenants.
Trustifi integrates natively with both Microsoft 365 and Google Workspace through API-based scanning using Microsoft Graph API for Office 365 and native Google APIs for Google Workspace. The platform deploys via centralized Outlook add-in deployment for Microsoft environments, or API integration without requiring email relay. Trustifi does not require a dedicated on-premises appliance or email gateway modification. Configuration is handled through the web portal, and the multi-tenant console in Trustifi allows MSPs to manage security policies across multiple customer Microsoft 365 or Google Workspace tenants from a single interface.
Trustifi provides three primary modules: Inbound Shield for phishing and malware filtering using AI-powered threat detection; Outbound Shield for encryption and data loss prevention to protect sensitive outbound emails; and Archive for email retention, eDiscovery and compliance support. Inbound Shield blocks spoofing and impersonation attacks, while Outbound Shield enforces DLP rules and applies NSA-grade encryption. Security awareness training and automatic failover for business continuity are included in recent 2026 updates. Archiving is an add-on at approximately $4 per mailbox per month and includes retention management and legal hold capabilities for compliance.
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