Cannot set up apple mail
My Yahoo mail works ok but my "Apple" mail no longer works.
iMac 27″, macOS 10.14
Question marked as
Is it Yahoo within Apple's Mail App that doesn't work?
Mac's Mail App is not as modern as iOS's Mail app, Many eMail providers now require a separate App Password different from your eMail password…
https://help.yahoo.com/kb/access-yahoo-mail-third-party-apps-sln15241.html