# Problem 아웃룩에서 `icloud`로 계정을 추가하는 경우 커스텀 도메인으로 수신은 가능하지만 회신이 `icloud.com`로 전송 # Solution `icloud.com` 도메인이 아닌 커스텀 도메인으로 추가 # Reference - [How to setup iCloud custom domain email address on Outlook Android device](https://discussions.apple.com/thread/254540774) # Configuration ```plain IMAP Server name: imap.mail.me.com SSL/TLS Port: 993 Username: iCloud Mail email address (for example, [email protected]). Password: Use Apple Generate an app-specific password. SMTP Server name: smtp.mail.me.com STARTTLS Port: 587 make sure you change the port 463 to 587 Username: Your full iCloud Mail email address (for example, [email protected]) Password: Use the app-specific password that you generated when you set up the incoming mail server. ```