Yes, if you're seeing the "What's New" welcome page, you can choose to bypass it and go directly to your Business Email inbox.

1. Sign in to your Yahoo! Business Email account.
2. From the main Yahoo! Business Mail page, click the "Options" link in the upper-left corner of the page (if you're using the original version of Business Email "Options" is located in the upper-right corner of the page).
   
   Business Email Options Link
3. Select Mail Options from the pull-down menu.
   
   Business Email Options Pull-Down
4. On the General options page, locate "Inbox:", and enable the checkbox for "Show on startup".
   
   Business Email Show Inbox on Startup Option.

5. Either navigate away from the Vacation Response page or close the "Options" tab and your changes will be saved.

The next time you sign into your Business Email account, you will be taken directly to your inbox. You may reactivate your Welcome page at any time by returning to the General options page and deselecting the "Show on startup" checkbox for the Inbox option.