Here is Microsoft forum on the error code
Windows mail error code 0x800ccc90
Cause for this error is generally The client is trying to use Secure Password Authentication and it is not enabled on the Exchange Server computer. To verify what form of authentication the Outlook Express client is using, in Outlook Express, on the
Tools menu, click
Accounts, and click the
Server tab for the account that failed.
Also when your adding the 19 to the email it is creating a whole new email. So if you created the new email. then please refer to this link
POP3 Outlook Express error 0x8000CCC18 and Exchange Server
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