I use Outlook 365 to read my Yahoo Mail. I also check Yahoo mail arriving on my wife's user ID. POP/SMTP is used to retrieve and send mail.

Of the three yahoo IDs I check, one of them gives recurrent problems by giving the following error message : Task 'Yahoo - Receiving' reported error (0x80042104) : 'Your email server does not have the features required to allow messages to be left on the server'

Interesting, the other two IDs do not have this issue.

Kindly advice