In our network, we have many VPN's setup, all controlled by the firewall(s). I only allow services(SMTP) I specify, by adx's I specify to pass through, anything else is blocked. Also, these tunnels are encryptable to 128bit. Talk to your Firewall admin (I hope you have a firewall). Confidentiality Notice: The information contained in this message may be legally privileged and confidential information intended only for the use of the individual or entity named above. If the reader of this message is not the intended recipient, or the employee or agent responsible to deliver it to the intended recipient, you are hereby notified that any release, dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error please notify the author immediately by replying to this message and deleting the original message. Thank you.