Check my yahoo mailbox

I'm just an AI, I don't have direct access to your Yahoo mailbox. However, I can help you check your Yahoo mailbox in a few ways:

1. Check your email on the Yahoo website: You can log in to your Yahoo account on the Yahoo website (www.yahoo.com) and check your mailbox from there.
2. Use the Yahoo Mail app: You can download the Yahoo Mail app on your mobile device or computer and check your mailbox from there.
3. Use a third-party email client: You can set up your Yahoo mailbox in a third-party email client like Microsoft Outlook, Mozilla Thunderbird, or Apple Mail.

If you need help setting up your Yahoo mailbox in a third-party email client, I can provide you with some general instructions. Just let me know!