Desktop alert, but no message in Inbox

[wordensong]

I have a client with a consistent problem from one offsite email sender. The
sender mails the message. On arrival at my client's, a Desktop Alert is
generated. The message BRIEFLY appears in the Inbox then immediately
disappears.

If you are quick and click on the Desktop Alert, you receive an Outlook
"Operation failed" message.

This happens with all antivirus (AVG) and all antispyware (Microsoft)
utilities turned OFF.

Most Internet email comes through just fine. But there is at least one
sender who consistently CANNOT send into my client.

Should I backup the PST file, delete the recreate my client's account?

Your MVP input is most appreciated.

Thanks,

--s--

Outlook 2003 client. Exchange 2000 on a Windows 2000 server.

 

[Angela]

Not sure if this is it, but it seems I had something similar happen to me
before. I have a lot of filters set up to move emails to Junk folders, To
Read folders, Committee folders, etc. Messages will come into my inbox very
briefly and then 'disappear' into their folders as they are filtered. Is it
possible these emails are getting sent off into a junk folder or something?

Good luck!