Thunderbird (Release ver.)

Mon, 01 Jan 0001 00:00:00 +0000

Before proceeding, please set up your Primary mail address and confirm that you can send and receive emails without any issues.
Click the three-line menu icon in the upper-right corner of the screen, then select “Add Account."
Click “Email."
The Account Hub will appear. Enter any display name you prefer in the “Full name” field and the email address of the shared mailbox used by your organization in the “Email address” field, then click “Continue.” If you are prompted to sign in, sign in using your SSO-KID.

How to use a Shared Mailbox on Collaborative Infrastructure WG