Email blacklist error

I’m receiving the following error. I’ve tried updating settings, deleting my email from Apple Mail and setting it back up, I’m still not receiving emails. Initially, I was able to get emails on the Web Browser. Now, I’m not receiving any emails.

Cannot Get Mail

The mail server "imap.comcast.net" is not responding. Verify that you have entered the correct account info in

Mail settings.

sterday >

Service...

nless

SS. Re..

sterday

^

Server code "ALERT", server message

"Temporarily blacklisted IP Address - try again later".

Capital One

and is..

OK