INKY Outbound Mail Protection vs Messageware AttachView: Side-by-Side Comparison (2026)

INKY Outbound Mail Protection: Outbound email security solution preventing data loss and insider threats. built by INKY Technology Corporation. Core capabilities include Outbound email monitoring and analysis, Sensitive data detection in outgoing emails, Data leak prevention alerts..

Messageware AttachView: OWA add-on that converts email attachments into secure HTML pages. built by Messageware. Core capabilities include Converts attachments to secure HTML pages, preventing local file storage or browser caching, Supports over 400 file formats without requiring local application installation, Granular admin controls for open, view, save, copy, and print permissions per user/group/IP/device..

Both serve the Email DLP market but differ in approach, feature depth, and target audience.

INKY Outbound Mail Protection differentiates with Outbound email monitoring and analysis, Sensitive data detection in outgoing emails, Data leak prevention alerts. Messageware AttachView differentiates with Converts attachments to secure HTML pages, preventing local file storage or browser caching, Supports over 400 file formats without requiring local application installation, Granular admin controls for open, view, save, copy, and print permissions per user/group/IP/device.

INKY Outbound Mail Protection is developed by INKY Technology Corporation. Messageware AttachView is developed by Messageware. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

INKY Outbound Mail Protection integrates with Microsoft 365, Exchange, Google Workspace. Messageware AttachView integrates with Microsoft Exchange Server, Outlook Web Access (OWA), ISA Server, SSL VPN, RSA and 1 more. Check integration compatibility with your existing security stack before deciding.

INKY Outbound Mail Protection and Messageware AttachView serve similar Email DLP use cases: both are Email DLP tools, both cover Microsoft 365. Review the feature comparison above to determine which fits your requirements.