I have been getting quite a few duplicate messages in my inbox. The fact that the mail account name is being incremented, It seems to be something to do with SpamGourmet.com. These are all XOXY.NET addresses.
Here are a couple of dupes title lines.
New Issue Of Best Magazine - Available Online (BESTBUY: message 3 of 10)
New Issue Of Best Magazine - Available Online (BESTBUY: message 3 of 10) (BESTBUY: message 4 of 10)
Kingston Email Notification (FRYS: message 9 of 10)
Kingston Email Notification (FRYS: message 8 of 10)