Werner --
In case you have not figured out how to fix the problem it's actually very simple. When you view the properties of the Distribution list you will see a drop down box labeled "Expansion Server" - this value is probably invalid. Either blank or an old server would be...
R121 --
It's easy to verify that you are not a relay...
Follow the steps at http://www.yuki-onna.co.uk/email/smtp.html
Be sure to use an "External" email address in the "RCPT TO:" Line and see if you get an "Error 550 - Relaying is prohibited"
Mike
Werner --
Have you had any luck getting this resolved? I have the same problem. To this point I feel it's Database corruption. If you try running a defrag on the private information store does it run or do you get an error (I got an error).
I've run a few tests and tonight I'm going to to...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.