[ubuntu] Interface connection issue

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http://ubuntuforums.org – Hello, I have an Ubuntu 11.10 64bit email server (a virtual machine hosted on a windows server 2008 computer using Hyper-V) configured so far with dovecot and postfix. I noticed that all of a sudden I was no longer able to send mail to an external destination (lets say google). I'm just in the testing and configuration phases of the mail setup now but the config for dovecot and postfix look like they are alright. Next, I looked at the routing table and noticed something weird. The default static route that handles all external traffic keeps changing. I will set it to the correct 173. (Hardware)