Dear user, if even with the above steps you are not successful, you can try to reconfigure the IMAP of your Yahoo account, to fix them, go to Settings > Mail, Contacts & Calendars > (select Yahoo account) > Account. You should have the option to edit the IMAP server in the Advanced section.
If it doesn't allow you to change it, add the account manually by going to Settings > Mail, Contacts, Calendars > Add Account > Other
IMAP server settings for Yahoo Mail
IMAP is the state of the art technology to connect your Yahoo Mail account to a desktop mail client or mobile app.
It allows 2-way syncing, which means everything you do remotely is reflected in your Yahoo Mail account no matter where or how you access it. Here are the settings you'll need to configure your mail client or app.
Incoming Mail (IMAP) Server
- Server - imap.mail.yahoo.com
- Port - 993
- Requires SSL - Yes
Outgoing Mail (SMTP) Server
- Server - smtp.mail.yahoo.com
- Port - 465 or 587
- Requires SSL - Yes
- Requires authentication - Yes
Your login info
- Email address - Your full email address (*****@******.***)
- Password ***** Generate App Password
- Requires authentication - Yes