I just created a new POP3 account in my 2003 Outlook. I checked the settings and the Inbox-Outbox are working well.
However if I send from my standard Outlook POP3 account a mail to my second one, I do not receive it.
I receive the message:
550-Mailbox unknown. Either there is no mailbox associated with this 550-name or you do not have authorization to see it. 550 5.1.1 User unknown
Does anybody know how to fix this?