A little extra effort before sending can prevent email misdelivery.
"EvoLiNQ Mail Sending Checker" is an Outlook add-in designed for companies using Microsoft 365 / Exchange Online to prevent email misdelivery. It automatically detects external domain recipients when sending emails and displays a confirmation screen before sending. The design ensures that emails cannot be sent until all external recipients are confirmed, and it also lists attached files. In addition to being offered as a cloud service, it is also planned to support deployment in on-premises environments managed by the utilizing companies or their own cloud environments. By working in conjunction with existing DLP products and email security measures, it helps reduce the risk of misdelivery due to human error by institutionalizing the confirmation just before sending.
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basic information
【Main Specifications and Features】 - Supported environments: Microsoft 365 / Exchange Online, Outlook - Automatic detection of external domain recipients - Configuration settings for To / CC / BCC - Display of confirmation screen before sending - Sending prohibited until confirmation of all external recipients is complete - Display of attachment list - Internal domain and subdomain settings - Setting to replace display name with email address - Operation verification mode for administrators - Configuration from the Outlook ribbon * It is designed with the premise that the email body will not be saved to a product-specific external server.
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Applications/Examples of results
【Purpose】 - Confirmation before sending emails to external recipients - Prevention of oversight in checking To / CC / BCC - Confirmation before sending attachments - Use in companies that want to explicitly prompt users to verify external recipients - Implementation of measures to prevent misdelivery focused on recipient confirmation - Consideration of company-wide deployment after trials in specific departments - Preference for operation in on-premises environments or company cloud environments 【Example of Achievements】 EvoLiNQ Co., Ltd. began internal use in May 2026, and is preparing for the launch in autumn 2026 while confirming practical usability and operational efficiency.
Company information
EvoLiNQ Inc. provides comprehensive support to solve the challenges of digitalization and DX for businesses. We also offer Kintone customization form creation services, practical training for data utilization, IoT services, and on-site online distribution services for lectures, conferences, and meetings. By providing what is necessary to improve corporate activities and civic life, we can make society better by connecting people, things, and data.









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