Legitamate Emails bouncing back

[SebAguilera]

For some reason a lot of my emails have been bouncing back. I've been getting the following error message when I try sending an email that I know is a valid address. I am using OE 6 with a Hotmail account. I've played around wih the options with no luck. Does nayone know why this is happening? This only started hapening 3 days ago.


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Your message

Subject: ub

was not delivered to:

abc@123.com
because:

User (abc@123.com) not listed in public Name & Address Book

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Thanks Guys!!!