lost emails in exchange 2003

HI, I have a SBS 2003 srv
We have had problems recieving emails for a couple of days now. So i rebooted the pc and all is fine.
But i have lost the emails from the last few days. They are not sat on the pop account we use. They are not stuck in any queues on the server. I have looked in the incoming mail folder for exchange on the c drive. And its empty.

I was getting the below messages on the event viewer :-

evernt 1036
An error occurred during a POP3 transaction to server <mail.mydomain.com [user@mydomain.com]>. The error is 10060 (A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.

event 1023
The downloading process for mailbox <user@mydomain.com [mail.mydomain.com]> was ended with one or more errors.

event 1019
The message download process finished with one or more errors.

Due to these error's coming up. it isn't leaving the messages on the pop account and they aren't getting delivered. I'm just worried they've been lost in transport ?
total123Asked:
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mikeharnettConnect With a Mentor Commented:
the pop3 connector does have a tendancy to just drop mails if there is a problem

Check to make sure there are no messages from that time in the following directories
%PROGRAMFILES%\Microsoft Windows Small Business Server\\Networking\POP3\Incoming Mail/
%PROGRAMFILES%\Microsoft Windows Small Business Server\\Networking\POP3\Failed Mail/
%PROGRAMFILES%\Exchsrvr\Mailroot\vsi 1\  - all 3 directories listed under here.

open exchange system manager and check the queues directories to see if there are any messages listed as queueing there, as a last resort you can doa  search of all drives with an eml extension then check to see if any of those are relevant but if there are no mails in any of those places those mails have gone, if you have logging turned on it may give you the information about who has sent mails to you so you can ask them to resend them.
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total123Author Commented:
thanks for help, but bad news, nothing in the subfolders bar very old data. ran a search for *.eml in hidden folders etc. - nothing.

When you mean doa search, do you mean the search i did above in hidden folders, etc ?
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mikeharnettCommented:
if you have searched the directories mentioned above and searched all drives for .eml files, and checked the queue directory in exchange system manager and the emails are not there then unfortunately those messages have been dropped and you wont be able to get them back.
Sorry i couldnt be more helpful.

As a sidenote is there a reason you are using the pop3 connector as opposed to an smtp only setup which is much more stable and less likely to lose mail if a configuration or server issue exists.
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