Yeah, it's ethereal, but in it's newer state as "Wireshark". Same great program. Not very familiar with Ethereal, so I couldn't give a comparison. And no, unfortunately I don't have any way to know what all those packets are off hand. What I will do when I see something in a capture that I cannot identify is later I will do a Wikipedia search on the protocol. That usually leads to the info I need to understand whats going on.
In this case, when looking at the capture, I saw the MFP trying to communicate with the Exchange Server 4 separate times. Then I would see a rest packet from the Exchange Servers IP, followed by the machine declaring the error. In the capture, the Exchange servers return info had a lot more info tagged to it, like the name "bellsouth.net". So I asked if that was there ISP and when they said yes... Walla!
After inputing the Bellsouth.net SMTP server info in place of the exchange server info (finding this by pinging mail.bellsouth.net), then placing their default bellsouth account email (finding this by taking their current email name form and adding bellsouth.net in place of their domain. Lucky, I know!) as the admin email address, it worked fine.
One more tip, since your doing packet captures as well, make sure your using a hub and not a switch either. Not saying that you are, but since packet captures came up in the conversation, I thought it should be dully noted for others who might read this later. That always seems to throw people, me included when I first started doing them.
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