I just started up a newsletter to people that have physcially given me their address. IN the message, I give them the promise NOT to spam, and the option to 'unsubscribe'. I'm sending to less that 75 people. However, now I'm getting this message:

This account is currently blocked from sending messages. If you don't think you've violated the Windows Live Terms of Use, please contact customer support.

Here I am contacting you! {removed email address}

I've checked your account and verified that it was blocked due to a Terms of Use violation. I can’t discuss the specific reason on why your account was blocked. Here are some possible reasons:

• Unwanted e-mail or "spam" 
• Abusive or harassing e-mail 
• Phishing or account fraud