Windows Live Mail Simple Mail Transfer Protocol (SMTP) Errors

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0x800CCC60 IXP_E_SMTP_RESPONSE_ERROR Invalid response
0x800CCC61 IXP_E_SMTP_UNKNOWN_RESPONSE_CODE Unknown error code
0x800CCC62 IXP_E_SMTP_500_SYNTAX_ERROR Syntax error returned
0x800CCC63 IXP_E_SMTP_501_PARAM_SYNTAX Parameter syntax incorrect
0x800CCC64 IXP_E_SMTP_502_COMMAND_NOTIMPL Command not implemented
0x800CCC65 IXP_E_SMTP_503_COMMAND_SEQ Incorrect command sequence
0x800CCC66 IXP_E_SMTP_504_COMMAND_PARAM_NOTIMPL Command not implemented
0x800CCC67 IXP_E_SMTP_421_NOT_AVAILABLE Command not available
0x800CCC68 IXP_E_SMTP_450_MAILBOX_BUSY Mailbox is locked and busy
0x800CCC69 IXP_E_SMTP_550_MAILBOX_NOT_FOUND Mailbox not found
0x800CCC6A IXP_E_SMTP_451_ERROR_PROCESSING Error processing request
0x800CCC6B IXP_E_SMTP_551_USER_NOT_LOCAL User mailbox is known, but mailbox not on this server
0x800CCC6C IXP_E_SMTP_452_NO_SYSTEM_STORAGE No space to store messages
0x800CCC6D IXP_E_SMTP_552_STORAGE_OVERFLOW Storage limit exceeded
0x800CCC6E IXP_E_SMTP_553_MAILBOX_NAME_SYNTAX Invalid mailbox name syntax
0x800CCC6F IXP_E_SMTP_554_TRANSACT_FAILED Transaction failed
0x800CCC78 IXP_E_SMTP_REJECTED_SENDER Unknown sender (This error occurs because you have the incorrect e-mail address in the Reply-To field)
0x800CCC79 IXP_E_SMTP_REJECTED_RECIPIENTS Server rejected recipients
0x800CCC7A IXP_E_SMTP_NO_SENDER No sender address specified
0x800CCC7B IXP_E_SMTP_NO_RECIPIENTS No recipients specified