Duplicate messages - multiple POP3 accounts on different servers

[Richard Black]

Hi,

I've followed a few of the posts relating to duplicate messages being
downloaded in Outlook XP. I have a similar problem, but am not sure it is
the same:

I have 4 different email accounts with on 4 different POP3 servers. These
accounts are also web accessible (so I can check them at work etc). I use a
cable broadband connection and all 4 accounts use my ISPs outgoing mail
server to send. So that messages are accessible however I access the
accounts, Outlook is set not to delete them from the server. I am receiving
multiple copies of some, but crucially not all, of my messages. The
duplicates seem to be ones which I have not read via the web interface
(mostly spam, so duplicate even more annoying!)

Any suggestions?

Richard