Yes, it's possible.
If you have registered an invalid email address as your Salesforce username, please set up single sign-on between Salesforce and Teachme Biz using the integrated ID.
Related: What subject type should I select when setting up single sign-on with Salesforce (Web Browser Version)
https://help.teachme.jp/hc/en-us/articles/4415388025497
If you cannot use integrated ID for single sign-on integration and need to set up single sign-on between Teachme Biz with an invalid email address, please contact us in advance with the following information via the contact form.
We will check for alternative solutions and potential service impacts on Teachme Biz.
- Group number
- Number of invalid email addresses you want to register
- Background on why you need to register invalid email addresses
Example: We have registered invalid email addresses as Salesforce usernames.
We cannot change to valid email addresses due to Salesforce operational reasons.
We also cannot use integrated ID for single sign-on integration due to compatibility with other services.
Contact Form
*If you have attachments, please contact our support team via email (support@teachme.jp).
Related: Salesforce Single Sign-On Setup (Web Browser Version)
https://teachme.jp/8/manuals/42394178