Email problems

Click on the wi-fi symbol in the top right

Go to advanced

Then the proxies tab

If the SOCKS proxy is selected, deselect and apply

You may have to also create a new network connection/Run an anti-malware software

Yeah so what you need to do now is create a new network location

Click on the wifi symbol - open network preferences - click on location - edit location - plus symbol - create name

Then click on Advanced - TCP/IP - Renew DHCP Lease

Also download Malwarebytes for Mac, run a scan of your computer, once done restart

Then you should be good to go

What happens when you try? Error messages? What email provider?

That p68-imap.mail.me.com does not sound like a legitimate server, try deleting and readding the account, or signing out/in of icloud.