Yes - they are all addresses I have used successfully on my previous
computer. I am going to check option by option to see if the set up differs
between the computers at all and hopefully that will reveal something.

"Diane Poremsky [MVP]" wrote:

did you verify the address is correct?

--
Diane Poremsky [MVP - Outlook]
Author, Teach Yourself Outlook 2003 in 24 Hours
Need Help with Common Tasks? http://www.outlook-tips.net/beginner/
Outlook 2007: http://www.slipstick.com/outlook/ol2007/

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"wenz" wrote in message
...
I have a new laptop with Vista & Outlook 2007. Am successfully receiving
emails and sending to some addresses, but have an undeliverable message
for
most outgoing emails stating "501 #5.1.1 bad address". Any ideas?