Where do I enable IMAP for my iCloud account? Solutions
How to Configure & Access iCloud Email Anywhere with IMAP Sep 14, 2012 How to add an iCloud email alias and keep your email Mar 21, 2017 Microsoft Outlook for Mac compatibility with Apple iCloud To configure your Apple iCloud email account in Microsoft Outlook for Mac, follow these steps: Start Outlook for Mac. On the Tools menu, click Accounts.; Click the plus (+) sign in the lower-left corner, and then select Other E-mail.; Enter your E-mail Address and Password, and then click Add Account. Note: The new account will appear in the left navigation pane of the Accounts dialog box. Solved - Mutt with iCloud mail? | The FreeBSD Forums
May 15, 2019
May 20, 2019 icloud not sending emails through mail app - Microsoft Jan 11, 2020
iCloud with own mail domain (SMTP) | MacRumors Forums
The problem was the two-step verification process with iCloud. Basically, if you want to use Thunderbird and iCloud together you have to generate an app specific password when you log into the Apple ID website. Here's a link that has the instructions. How to Set Up iCloud Email Access on Android Oct 09, 2019