Hot answers tagged yahoo-mail
When such a notification appears... Open your notification area Long-press on the notification. This opens the app's settings in the system configuration. Here you can disable all notifications from the app. This is a feature introduced with JellyBean -- as you've stated your device is running Android 4.1.2, this setting should be available to you.
I would guess that Samsung failed to provide proper support for Yahoo Mail. Therefore I recommend that you install the offical Yahoo Mail app. It should work out of the box. Antoher approach is to forward your yahoo mail to your google mail. They advantage is that you don't have to use an additional e-mail app.
This sounds like you're using POP3 to access your email. This doesn't sync read status back to the server. Can you configure your email using IMAP? Take a look here and use these settings
In the official Yahoo! Mail app, Yahoo recently changed the layout so that the Settings menu is no longer accessed by pressing the "Menu" button. Launch the app and tap the little < arrow next to the "Inbox" label on the upper-left corner of the screen. This will reveal the Folders menu. Scroll it down to the "Tools" section, tap on Settings, then tap ...
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