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689Cloud SecureMail is a commercial email dlp tool by 689Cloud. MailGuard ImageGuard is a commercial email dlp tool by MailGuard. Compare features, ratings, integrations, and community reviews side by side to find the best email dlp fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
SMBs and mid-market teams handling sensitive file attachments over Gmail or Outlook will find 689Cloud SecureMail's link-based IRM approach cuts through the complexity of traditional DLP; you get granular controls (view-only mode, revocation, watermarking, print blocking) without heavy infrastructure. The tool covers PR.DS and PR.AA under NIST CSF 2.0, meaning access and data handling are actually enforced at the file level, not just the gateway. Skip this if your org needs on-premises deployment or integrated secure collaboration; 689Cloud is attachment-centric, not a replacement for teams platforms.
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.
Gmail & Outlook add-in securing email attachments via IRM technology.
Real-time illicit image detection & policy compliance for email servers.
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Common questions about comparing 689Cloud SecureMail vs MailGuard ImageGuard for your email dlp needs.
689Cloud SecureMail: Gmail & Outlook add-in securing email attachments via IRM technology. built by 689Cloud. headquartered in Vietnam. Core capabilities include IRM-based email attachment protection via secure links, View-only and downloadable access modes, Remote access revocation for downloaded files..
MailGuard ImageGuard: Real-time illicit image detection & policy compliance for email servers. built by MailGuard. headquartered in Australia. 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..
Both serve the Email DLP market but differ in approach, feature depth, and target audience.
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