When you set up an email client to use your iCloud Mail account, you'll need the iCloud Mail IMAP settings to download your email. Separate from the IMAP settings are the SMTP server settings, which the email program uses to send email. Without the SMTP email settings, the email client won't know how to send email on your behalf through your iCloud Mail account.

Check your email app documentation to see where to enter these settings. The location varies by provider.

These settings let you manually configure an email program's incoming mail server to use with your iCloud Mail account so that Mail can download your email messages:

These outgoing mail server settings are required to send email from your iCloud Mail account through the email program: