Which emails are returned in a POP3 session

Hi,
I want to implement a POP3 email client to download messages from exchange server (using C#.Net).
After a POP3 connection is made, STAT command tells the count of messages available. Messages can be downloaded in that session using the sequence numbers. I want to know how POP3 service determines which messages are NEW for which client.
Suppose two clients (one mobile and one desktop application) connect to POP3 server. Mobile client downloads some messages. Now when desktop client connects to POP3 server, how will POP3 server determine which messages are new for this session (it should
also return the messages which were downloaded by mobile client).
I looked a lot in documentation, but didn't found anything in this regard. Please help.
Regards,
Rajiv
Rajiv

Hello,
To get the number of the Record from the begining of the file, you may use the RECNUM parameter in the External Table definition:
http://download.oracle.com/docs/cd/B19306_01/server.102/b14215/ldr_field_list.htm#sthref1264
You define a Column:
<column_name> RECNUMThen, in your Query, you may use the ORDER operator to this column.
By that way, you ensure to always respect the Record order in the file.
Hope this help.
Best regards,
Jean-Valentin

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  • My iPhone won't back up to iCloud it says backup failed after I increased my storage plan. How can I fix that and which email can I sen to if I want to refund the storage I bought on iCloud. It says I have 15 days to return.

    Which email should I send to for a refund on iCloud storage within 15 day period. Also the iPhone won't back up to iCloud it keeps saying backup failed even when I log out of iCloud and log back in how can I fix that?

    If your back up continually fails, you might try turning off back up on your mobile device (settings > iCloud > storage & backup) and then deleting the backup file from iCloud by swiping the backup file on the mobile device (settings > iCloud > storage & backup > manage…) and then turning back up on again.
    Being able to back up to the cloud can be very useful, especially if you don't have access to a computer or have infrequent access to one, however unless you specifically need to use iCloud for back up, you will find backing up to iTunes significantly more convenient and possibly more reliable.

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