I have just received two emails from Yahoo!mail.
This is part of the email I received from Yahoo!mail
We noticed that you haven’t signed in to your account in a while. If you would like to continue receiving emails with this account, please visit mail.yahoo.com and log in by February 8, 2021. If you do not sign back in, this account will stop receiving email messages and the contents of your mailbox, including all email messages, settings and folders, will be permanently deleted.
I haven't clicked on any links and I don't intend too. I have never had emails them before asking me to sign in to my Apple email has I have it open to receive emails.
[Email Edited by Moderator]
iMac Pro