Problem occur in my Company Outlook Express , I can login the POP3 mail server and see how many of new mail. But I can't receive any mail from the server and appears this error code : 0x800C0133

Is that the problem of my inbox storage limit , becoz there are so much mail store in my inbox , I hv checked there are more than 4 GB size .dbx files in my outlook mail folder.

Thank you very much for help me solve this problem.