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QUOTE(XP_2600 @ May 29 2005, 15:35)
Well this mail server is not local,
its an external mail server its a mail account in the ISP server which we got our connection from, but yes i think they are using exchange but for sure its not connected via exchange account its connected via POP/SMTP so its still need to the pst file, any idea?
Ah! Okay...

...That's the
key piece of missing information. The web access works -vs- local doesn't, have nothing to do with each other. We were thinking Exchange OWA, not login to ISP.
Christ man
Please do not leave out details like that in the future...
There is a .pst repair tool (scanpst.exe) that comes with office, give that a shot and see if it will repair the pst file.