Outlook 2007Any RR accountError: An error occurred while trying to deliver this message to the recipient's e-mail address. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message, or provide the following diagnostic text to your system administrator. The following organization rejected your message: hrndva-mx-02.mgw.rr.com.We have checked:Our SPF recordall the blacklists including the 3 RR usesWe cannot ping austin.rr.com, however we can ping hrndva-mx-02.mgw.rr.comI have restarted all the exchange servicesChecked our MX recordHave contacted Roadrunner to verify we are not on their blacklist and their security to see if they can determine why this is happened. The last email we were able to send was 2:pm yesterdaySuggestions on what next?Thanks

are you sure about... 1. the roadrunner filter blocks off the email (afterall roadrunner is a bussiness) 2. go ask them 3. demand a refund on service (maybe?)

We checked with RR and we are not blacklisted. It was a DNS issue.