💡 Available for privatized users of O365, CenturyLink and Exchange.

I. Intro

Some email services require users to complete their own configuration before migrating email history or sending and receiving emails in Lark Mail.

II. Steps

As the administrator, go to the Exchange admin center and activate SMTP and IMAP for the specified member.

As the administrator, go to Microsoft Azure:

Note: Exchange privatized users can skip this step.

In All services, select Identity > Tenant properties;
Go to Manage Security defaults > Enable Security defaults, select No, click Save.

Administrators enable Basic Authentication in the Microsoft 365 admin center.

Note: Exchange privatized users need to contact Microsoft technical support for assistance in the process.

a. Click on Help & support in the lower right corner, then search Diag: Enable Basic Auth in EXO in the search bar and click Run test.

b. If the result shows that Basic Authentication is disabled for IMAP and EWS, you need to select it and click Update settings to enable Basic Authentication.