689Cloud SecureMail vs MailGuard ImageGuard: Side-by-Side Comparison (2026)

689Cloud SecureMail: Gmail & Outlook add-in securing email attachments via IRM technology. built by 689Cloud. 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. 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.

689Cloud SecureMail differentiates with IRM-based email attachment protection via secure links, View-only and downloadable access modes, Remote access revocation for downloaded files. 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.

689Cloud SecureMail is developed by 689Cloud. MailGuard ImageGuard is developed by MailGuard. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

689Cloud SecureMail and MailGuard ImageGuard serve similar Email DLP use cases: both are Email DLP tools. Review the feature comparison above to determine which fits your requirements.