How to activate your new Yahoo! Business Email email address depends on the type of email address your administrator gave you: one you access via POP and Yahoo!, or only via POP. (For the moment, you don't need to understand what these terms mean — we'll explain in better detail later.)

You can determine this from the kind of invitation you received. Look at your invitation: Are there four sections (option #1), or just two (option #2)?

Option #1 - POP and Yahoo!	Option #2 - POP only