Why do I get an "unable to connect … There may be a problem with the mail server or network." message from iCloud. I have verified the settings. I can access my iCloud account online but can't send or receive e-mail via the mail account.
Text limits to the "Question" link prevents a full explanation:
This is a long-time problem. I have tried to resolve it with Apple but their "Customer Support" is merely a name.
I can go online and access my e-mail but when I try to send or receive e-mail via iCloud through my internet server (Google fiber now but the same situation existed with my prior service), I receive "There may be a problem with the mail server or network. Verify the settings for 'Apple Email' and try again.
"The server returned the error: The server 'p0-imap.mail.me.com' refused to allow a connection on port 143."
Well, I have verified the setting and tried again and again and …
Well, you get the idea …