why is my email not being delivered? how do i fix it?

[Tan]

I am trying to send an email to clients and I am getting an undeliverable 554
service unavailable message. What does this mean and how do I fix it?

 

[Sandy Johnson]

Oops -- you probably want to contact the Outlook community at
http://www.microsoft.com/office/com...icrosoft.public.outlook.general&lang=en&cr=US.