Features, pricing, ratings, and pros & cons — compared head-to-head.
MailGuard ImageGuard is a commercial email dlp tool by MailGuard. Trustifi Outbound Shield is a commercial email dlp tool by TrustiFi. Compare features, ratings, integrations, and community reviews side by side to find the best email dlp fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise security teams managing acceptable use policy enforcement will get the most from MailGuard ImageGuard because it catches illicit imagery in email before it hits archives or creates liability exposure. The tool scans all image files in real time across on-premises mail servers and logs sender/receiver metadata for compliance audits, directly supporting policy enforcement workflows that most DLP vendors treat as an afterthought. Skip this if you need cloud-native SaaS deployment or detection capabilities that extend beyond image classification; ImageGuard is purpose-built for organizations with on-premises infrastructure and a specific mandate around visual content governance.
Mid-market and enterprise teams handling regulated data will find Trustifi Outbound Shield's appeal in its automated encryption policies paired with real-time DLP scanning, cutting implementation friction that typically derails compliance projects. The tool covers 10+ regulatory frameworks out of the box and supports both Exchange on-premise and Office 365, meaning you're not forced into cloud-only architecture. Skip this if your organization needs endpoint detection or network monitoring; Trustifi stays in the email lane and makes no apologies for it.
Real-time illicit image detection & policy compliance for email servers.
Outbound email security with automated encryption and DLP for compliance
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Common questions about comparing MailGuard ImageGuard vs Trustifi Outbound Shield for your email dlp needs.
MailGuard ImageGuard: Real-time illicit image detection & policy compliance for email servers. built by MailGuard. Core capabilities include Real-time scanning of all image files passing through email servers, Detection and classification of illicit/pornographic images, Identification and logging of high-risk senders and receivers..
Trustifi Outbound Shield: Outbound email security with automated encryption and DLP for compliance. built by TrustiFi. Core capabilities include Automated email encryption based on administrator policies, AES 256-bit end-to-end encryption, Real-time data loss prevention scanning..
Both serve the Email DLP market but differ in approach, feature depth, and target audience.
MailGuard ImageGuard differentiates with Real-time scanning of all image files passing through email servers, Detection and classification of illicit/pornographic images, Identification and logging of high-risk senders and receivers. Trustifi Outbound Shield differentiates with Automated email encryption based on administrator policies, AES 256-bit end-to-end encryption, Real-time data loss prevention scanning.
MailGuard ImageGuard is developed by MailGuard. Trustifi Outbound Shield is developed by TrustiFi. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.
MailGuard ImageGuard and Trustifi Outbound Shield serve similar Email DLP use cases: both are Email DLP tools. Review the feature comparison above to determine which fits your requirements.
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