SpinNet

December 16, 2025
SoftBank Corp.

SpinNet Webmail External Mail Function Termination Notice

Dear Customers,

Thank you very much for using SpinNet.

To address recent changes in the security landscape and as part of our efforts to maintain and enhance a secure service environment, we will discontinue the “External Email Function” in SpinNet Webmail.

We apologize for any inconvenience this may cause and appreciate your understanding and cooperation.

For further details, please refer to the following:

1. The Function to be terminated

SpinNet MYHOME.mail's “External Mail Function”

* Email services and other webmail features will remain available.

2. About the external email function

The external email feature refers to the functionality that allows you to register multiple email accounts in SpinNet Webmail and use them to send and receive emails.

For details, click here

Example of Screen Display for External Email Users

3. Termination Date

March 1, 2026 (Sun.)

4. Additional note

After the provision of this external email feature terminates, please check emails that you previously used this feature to view using email software or other means.