Digital Mail Service "SmartPOST" Refreshes Logo Color
xID Inc. announced the refresh of the logo color for its digital mail service "SmartPOST," which delivers important notifications from local governments to residents' smartphones. This change aims to improve service visibility and clarify the brand concept.
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- 📰 Published: May 1, 2026 at 00:00
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xID Inc. (Headquarters: Chiyoda-ku, Tokyo; CEO: Hikaru Kusaka; hereinafter: the Company) announced that it has refreshed the logo color for its digital mail service "SmartPOST," which delivers important notifications from local governments to residents' smartphones.
This change aims to improve service visibility and clarify the brand concept, evolving into a logo that more intuitively conveys the service's role, designed with a mailbox motif.
◾️ Background of the Logo Change
SmartPOST is a "digital mail service" that securely delivers important notifications from local governments and companies to the resident's smartphone, based on identity verification utilizing the My Number Card.
For senders, such as local governments and companies, it is a SaaS that can streamline notification operations by selectively using paper and digital. For recipients, residents and users, it functions as a "digital mailbox" where important information can be received safely without being overlooked.
However, currently, notification methods are fragmented (e.g., email, SMS, postal mail), posing challenges such as management complexity for senders and oversight or anxiety for recipients.
SmartPOST has taken on the role of an "integrated platform that optimizes notification from sending to receiving" to address these challenges.
This logo refresh aims to convey that role more intuitively and strengthen its recognition.
◾️ Features of the New Logo
・Enhanced Mailbox-like Appearance and Visibility
While maintaining the design concept of a mailbox motif, the adoption of a color (red) that evokes important notifications creates a design that is intuitively recognized by both senders as a "reliable delivery method" and by recipients as a "place where important information arrives."
・Brand Design Spanning SaaS and User Experience
SmartPOST is a service that can be used on both the sender's management screen (SaaS/API) and the user-向け app.
This logo refresh will create a consistent brand recognition at both sender and recipient touchpoints.
◾️ The Vision Behind the Logo
SmartPOST is a service that extends the role of traditional paper mail, which is to "reliably deliver important information," into the digital world.
With this logo refresh, to clarify its essential role, we have updated it with visibility that anyone can instantly recognize as a "mailbox" and a color that evokes importance.
At the same time, it embodies our intention to position SmartPOST not merely as one means of digital notification, but as a "digital notification infrastructure where important information flows and is aggregated."
◾️ About SmartPOST
SmartPOST is a digital mail service that delivers important notifications from local governments and companies directly to individuals, based on identity verification utilizing the My Number Card.
Senders can create and distribute both paper mail and digital notifications using the same system, allowing them to smoothly proceed with digitalization while maintaining their existing notification operations.
Furthermore, unlike email and SMS, the system ensures that only notifications from trusted senders are delivered, allowing recipients to safely receive important information while suppressing the risk of phishing and impersonation.
Service details: https://xid.inc/smartpost/
◾️ About xID Inc.
xID is a Govtech startup that develops digital ID apps like "xID" (cross ID) utilizing My Number Cards, and "SmartPOST" (smart post) for receiving administrative notifications on smartphones.
By collaborating with local governments and companies, we support the digitalization of identity verification and administrative procedures, contributing to improved convenience for residents, increased efficiency in administrative operations, and the realization of a sustainable digital society.
Location: Hibiya Park Front 19F, 2-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo
Representative: Hikaru Kusaka, Representative Director and CEO
Established: May 2012
Business: Develops digital ID solutions specialized in My Number Cards
Corporate website: https://xid.inc/
This change aims to improve service visibility and clarify the brand concept, evolving into a logo that more intuitively conveys the service's role, designed with a mailbox motif.
◾️ Background of the Logo Change
SmartPOST is a "digital mail service" that securely delivers important notifications from local governments and companies to the resident's smartphone, based on identity verification utilizing the My Number Card.
For senders, such as local governments and companies, it is a SaaS that can streamline notification operations by selectively using paper and digital. For recipients, residents and users, it functions as a "digital mailbox" where important information can be received safely without being overlooked.
However, currently, notification methods are fragmented (e.g., email, SMS, postal mail), posing challenges such as management complexity for senders and oversight or anxiety for recipients.
SmartPOST has taken on the role of an "integrated platform that optimizes notification from sending to receiving" to address these challenges.
This logo refresh aims to convey that role more intuitively and strengthen its recognition.
◾️ Features of the New Logo
・Enhanced Mailbox-like Appearance and Visibility
While maintaining the design concept of a mailbox motif, the adoption of a color (red) that evokes important notifications creates a design that is intuitively recognized by both senders as a "reliable delivery method" and by recipients as a "place where important information arrives."
・Brand Design Spanning SaaS and User Experience
SmartPOST is a service that can be used on both the sender's management screen (SaaS/API) and the user-向け app.
This logo refresh will create a consistent brand recognition at both sender and recipient touchpoints.
◾️ The Vision Behind the Logo
SmartPOST is a service that extends the role of traditional paper mail, which is to "reliably deliver important information," into the digital world.
With this logo refresh, to clarify its essential role, we have updated it with visibility that anyone can instantly recognize as a "mailbox" and a color that evokes importance.
At the same time, it embodies our intention to position SmartPOST not merely as one means of digital notification, but as a "digital notification infrastructure where important information flows and is aggregated."
◾️ About SmartPOST
SmartPOST is a digital mail service that delivers important notifications from local governments and companies directly to individuals, based on identity verification utilizing the My Number Card.
Senders can create and distribute both paper mail and digital notifications using the same system, allowing them to smoothly proceed with digitalization while maintaining their existing notification operations.
Furthermore, unlike email and SMS, the system ensures that only notifications from trusted senders are delivered, allowing recipients to safely receive important information while suppressing the risk of phishing and impersonation.
Service details: https://xid.inc/smartpost/
◾️ About xID Inc.
xID is a Govtech startup that develops digital ID apps like "xID" (cross ID) utilizing My Number Cards, and "SmartPOST" (smart post) for receiving administrative notifications on smartphones.
By collaborating with local governments and companies, we support the digitalization of identity verification and administrative procedures, contributing to improved convenience for residents, increased efficiency in administrative operations, and the realization of a sustainable digital society.
Location: Hibiya Park Front 19F, 2-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo
Representative: Hikaru Kusaka, Representative Director and CEO
Established: May 2012
Business: Develops digital ID solutions specialized in My Number Cards
Corporate website: https://xid.inc/