Here are my brief notes on how to switch from Yahoo business e-mail to Gmail applications e-mail.

First of all I had to set up the domain on Dreamhost, when I set up the domain I made sure to use the Gmail e-mail option, and then set out to Gmail administrative account, (if you’re not hosted at Dreamhost the process for setting up a Gmail application administrator account will not be as easy… just google for Google applications to figure it out.) and then waited a couple hours, I was then able to create a new user in the Google applications area.  This new user receives a Gmail address, login to this address and set up a pop e-mail accounts under the settings menu, the pop settings are below, once the pop account has been set up Gmail will begin to import your messages from your Yahoo business e-mail account, note: when I set up the pop account Gmail would not let me name the account with the same e-mail address as the current user… it turns out that the name of the pop account doesn’t matter… example: I was trying to import e-mail from my address and when I went to set up the pop account it would not let me name the account so I just named the account and then I proceeded to enter the pop settings for address.

Your Business Email Server Settings
Incoming Mail Server (POP3):
Use SSL, port: 995
Outgoing Mail Server (SMTP):
Use SSL, port: 465, use authentication

Gmail domain e-mail importing 
importing e-mail fromYahoo business e-mail accounts
moving e-mail from Yahoo accounts