689Cloud SecureMail vs Standss SendGuard for Outlook: 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..

Standss SendGuard for Outlook: Outlook add-in for email DLP, compliance, and accidental send prevention. built by Standss (South Pacific) Limited. Core capabilities include Pre-send confirmation prompts for recipients and attachments, External domain highlighting, Reply All confirmation and blocking..

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. Standss SendGuard for Outlook differentiates with Pre-send confirmation prompts for recipients and attachments, External domain highlighting, Reply All confirmation and blocking.

689Cloud SecureMail is developed by 689Cloud. Standss SendGuard for Outlook is developed by Standss (South Pacific) Limited. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

689Cloud SecureMail integrates with Gmail, Microsoft Outlook, Google Chrome Web Store, Microsoft AppSource. Standss SendGuard for Outlook integrates with Microsoft Outlook, Office 365, Outlook Web App, Outlook for Mac, New Outlook. Check integration compatibility with your existing security stack before deciding.

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