Step 1: Click on the Setting icon in the bottom left
On the Account Settings window, select the account you're trying t
After a while I captured what works for settings and captured screenshots
Go to Settings > Domains, select your domain (for example, contoso
Your full name
Above the Account Settings button, click Add Account
smtp server = smtp
Click on E-mail Account
This table explains the various email settings you can change for a user in Microsoft 365