On Jan 22, 2008 5:46 PM, Karl Larsen <k5di@xxxxxxxxxx> wrote: > Hi, I will look for a way to show full headers on Thunderbird. I > will forward two identical messages to your address. Perhaps this will > solve this mess. > Hello, Please try CTRL-U or 'View > Message Source'. Take one set of duplicate messages, and view the Message Source for both of them. If you find it difficult to compare in 2 windows, save the message source to a text file and 'diff' them. -Mauriat