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iCloud Mail server settings
- iCloud Mail uses the IMAP and SMTP standards supported by most modern email client apps. iCloud Mail does not support POP.
- If you set up an account using iCloud System Preferences or macOS Mail in 10.7.4 or later, you won’t see these settings because they’re automatically configured.
- Refer to your email client app’s documentation for information about how to use these settings.
IMAP information for the incoming iCloud Mail server
- Server name: imap.mail.me.com
- SSL Required: Yes
If you see an error message when using SSL, try using TLS instead. - Port: 993
- Username: This is usually the name of your iCloud Mail email address (for example, johnappleseed, not [email protected]). If your email client app can’t connect to iCloud Mail using just the name of your email address, try using the full address.
- Password: Generate an app-specific password.
SMTP information for the outgoing iCloud Mail server
- Server name: smtp.mail.me.com
- SSL Required: Yes
If you see an error message when using SSL, try using TLS or STARTTLS instead. - Port: 587
- SMTP Authentication Required: Yes
- Username: Your full iCloud Mail email address (for example, [email protected], not johnappleseed)
- Password: Use the app-specific password that you generated when you set up the incoming mail server.
Reference: https://support.apple.com/en-hk/HT202304