This is how to add your email to Windows Mail (also called the Mail App) using Windows 10. It would be pretty much the same with Windows 11.
Step 1: Open Windows Mail
Step 2: Click the settings (gear icon) on the bottom left
Step 3: Click Manage Accounts
Step 4: Click on +Add account
Step 5: Click on Advanced Setup
Step 6: Click on Internet email
Step 7: Enter this information:
email address: Your full email address (ex: yourname@yourdomain.com)
Username: Again your full email address (ex: yourname@yourdomain.com)
Password: Use the password we gave you (it is case-sensitive)
Account Name: This is a name for you, so you remember what account this is if you a multiple accounts
Send your message using this name: You can put your personal name or business name. This is what people will see the email is from.
Incoming email server: If your domain is companyabc.com, put mail. and then your domain. (Ex: mailcompanyabc.com)
Account type: A rule of thumb is if you plan to read your email on multiple devices (a desktop and a phone for example), then use IMAP. If not you can use POP3.
Outgoing (SMTP) email server: same info as the incoming email server (Ex: mailcompanyabc.com)
Outgoing server requires authentication: Check
Use the same user name and password for sending email: Check
Required SSL for incoming email: Uncheck
Required SSL for outgoing email: Uncheck