Wolters Kluwer Bluewhale Sikker E-post is a secure email and file-delivery service that enables organizations to send encrypted messages and large attachments via Outlook integration, using recipient authentication methods (SMS PIN, password, MitID) and time-limited access links.
Published Oct 15, 2026
Source: Bluewhale FAQ; Wolters Kluwer installation documentation.
Microsoft’s direction around add-ins (classic vs new Outlook) creates ongoing risk for solutions relying on desktop plugins. Organizations should request from the vendor:
Source: General add-in compatibility discussion.
Sources: Wolters Kluwer installation documentation, Bluewhale FAQ and site.
Searches for Gartner Peer Insights and TrustRadius for Bluewhale Sikker E-post/Sikker Mail did not yield accessible, relevant product review pages for this specific product. The product’s footprint on major B2B review sites appears limited or difficult to find under this exact name.
A Denmark subreddit thread includes a brief mention of Bluewhale in discussion about email usage in Denmark and public-sector digital post norms. This mention is not a detailed user review but indicates recognition of the tool in a Danish context.
A Danish government-related report on communication channels describes Bluewhale as a system for sending encrypted email via an email client (for example, Outlook) and references two-factor validation of recipients. The report also indicates nuance regarding whether a system status should be used as sole evidence of legal "delivery," which has implications for records management.
No detailed vendor-published case studies with quantified outcomes (for example, time saved or reduced incidents) were located in the accessible sources used for this research. Wolters Kluwer support pages are primarily operational and installation content.
Likely fit:
Strong-fit verticals based on Bluewhale’s positioning and common data protection requirements:
Get a comprehensive analysis of Wolters Kluwer Bluewhale Sikker E-post including market position, competitive landscape, adoption trends, and peer benchmarks.
Download full report →Source for delivery nuance: Public-sector communication channels report.
Given the limited accessible end-user review content specifically about Bluewhale Sikker E-post on mainstream review platforms, a comprehensive star-rating analysis is constrained.
Available evidence supports treating official documentation as the primary source of feature and workflow descriptions, using institutional references to highlight operational and records-management considerations, and leveraging general Outlook add-in community discussion (not Bluewhale-specific) to identify ecosystem risks.
Public-sector documents and external materials reference Bluewhale as part of secure communication channel evaluations, indicating some adoption in Danish public-sector contexts. These references are not structured success stories with measurable ROI and may be context-specific to Danish public-sector requirements.
Note: In the absence of strong case-study evidence, procurement should emphasize pilots (to validate deliverability and adoption), security due diligence (DPA, sub-processor lists, assurance reports), and manageability tests.
Wolters Kluwer Bluewhale Sikker E-post (Norway) / Bluewhale Sikker Mail (Denmark) is a secure email and file-delivery service sold by Wolters Kluwer Norge AS as a reseller of Bluewhale ApS. The service enables organizations to send encrypted messages and large attachments to recipients using the recipient’s email address and, commonly, a mobile number for SMS-based verification. End-user workflow is integrated into Microsoft Outlook via a plugin/add-in. Alternative recipient authentication methods (e.g., SMS PIN, password, MitID) are available depending on configuration and country context.
Key functional elements evidenced in vendor/support documentation include:
Sources: Official vendor product listing; vendor support and installation documentation; vendor FAQ and product pages.
Based on Wolters Kluwer’s product catalog entry (Denmark) and Bluewhale’s own positioning, the solution targets:
Wolters Kluwer’s Danish listing states Bluewhale has supported private companies, municipalities, and public/state institutions in sending encrypted emails and large attachments since 2007.
Sources: Vendor product listing pages.