Error codes

Here is a list, possibly incomplete and not necessarily current, of the error codes encountered when something goes wrong with sending or receiving messages.

Error Code Error Text Description
0x800CCC00 LOAD_SICILY_FAILED Authentication did not load
0x800CCC01 INVALID_CERT_CN Invalid certificate content
0x800CCC02 INVALID_CERT_DATE Invalid certificate date
0x800CCC03 ALREADY_CONNECTED User already connected
0x800CCC04 CONN Not available
0x800CCC05 NOT_CONNECTED Not connected to server
0x800CCC06 CONN_SEND Not available
0x800CCC07 WOULD_BLOCK Not available
0x800CCC08 INVALID_STATE Not available
0x800CCC09 CONN_RECV Not available
0x800CCC0A INCOMPLETE Message download incomplete
0x800CCC0B BUSY Server or mail drop is busy
0x800CCC0C NOT_INIT Not available
0x800CCC0D CANT_FIND_HOST Cannot locate server
0x800CCC0E FAILED_TO_CONNECT Cannot connect to server
0x800CCC0F CONNECTION_DROPPED Connection closed
0x800CCC10 INVALID_ADDRESS Address not known on server
0x800CCC11 INVALID_ADDRESS_LIST Mailing list not known on server
0x800CCC12 SOCKET_READ_ERROR Unable to send Winsock request
0x800CCC13 SOCKET_WRITE_ERROR Unable to read Winsock reply
0x800CCC14 SOCKET_INIT_ERROR Unable to initialize Winsock
0x800CCC15 SOCKET_CONNECT_ERROR Unable to open Windows Socket
0x800CCC16 INVALID_ACCOUNT User account not recognized
0x800CCC17 USER_CANCEL User canceled operation
0x800CCC18 SICILY_LOGON_FAILED Logon attempt failed
0x800CCC19 TIMEOUT Not available
0x800CCC1A SECURE_CONNECT_FAILED Unable to connect by using Secure Sockets Layer (SSL)
0x800CCC40 WINSOCK_WSASYSNOTREADY Network subsystem is unusable
0x800CCC41 WINSOCK_WSAVERNOTSUPPORTED Windows Sockets cannot support this application
0x800CCC42 WINSOCK_WSAEPROCLIM Not available
0x800CCC43 WINSOCK_WSAEFAULT Bad address
0x800CCC44 WINSOCK_FAILED_WSASTARTUP Unable to load Windows Sockets
0x800CCC45 WINSOCK_WSAEINPROGRESS Operation now in progress
0x800CCC60 SMTP_RESPONSE_ERROR Invalid response
0x800CCC61 SMTP_UNKNOWN_RESPONSE_CODE Unknown error code
0x800CCC62 SMTP_500_SYNTAX_ERROR Syntax error returned
0x800CCC63 SMTP_501_PARAM_SYNTAX Parameter syntax incorrect
0x800CCC64 SMTP_502_COMMAND_NOTIMPL Command not implemented
0x800CCC65 SMTP_503_COMMAND_SEQ Incorrect command sequence
0x800CCC66 SMTP_504_COMMAND_PARAM_NOTIMPL Command not implemented
0x800CCC67 SMTP_421_NOT_AVAILABLE Command not available
0x800CCC68 SMTP_450_MAILBOX_BUSY Mailbox is locked and busy
0x800CCC69 SMTP_550_MAILBOX_NOT_FOUND Mailbox not found
0x800CCC6A SMTP_451_ERROR_PROCESSING Error processing request
0x800CCC6B SMTP_551_USER_NOT_LOCAL User mailbox is known, but mailbox not on this server
0x800CCC6C SMTP_452_NO_SYSTEM_STORAGE No space to store messages
0x800CCC6D SMTP_552_STORAGE_OVERFLOW Storage limit exceeded
0x800CCC6E SMTP_553_MAILBOX_NAME_SYNTAX Invalid mailbox name syntax
0x800CCC6F SMTP_554_TRANSACT_FAILED Transaction failed
0x800CCC78 SMTP_REJECTED_SENDER Unknown sender
0x800CCC79 SMTP_REJECTED_RECIPIENTS Server rejected recipients
0x800CCC7A SMTP_NO_SENDER No sender address specified
0x800CCC7B SMTP_NO_RECIPIENTS No recipients specified
0x800CCC31 HTTP_BAD_REQUEST Bad request configuration, or bad or malformed request
0x800CCCA0 NNTP_RESPONSE_ERROR News server response error
0x800CCCA1 NNTP_NEWGROUPS_FAILED Newsgroup access failed
0x800CCCA2 NNTP_LIST_FAILED LIST command to server failed
0x800CCCA3 NNTP_LISTGROUP_FAILED Unable to display list
0x800CCCA4 NNTP_GROUP_FAILED Unable to open group
0x800CCCA5 NNTP_GROUP_NOTFOUND Group not on server
0x800CCCA6 NNTP_ARTICLE_FAILED Message not on server
0x800CCCA7 NNTP_HEAD_FAILED Message header not found
0x800CCCA8 NNTP_BODY_FAILED Message body not found
0x800CCCA9 NNTP_POST_FAILED Unable to post to server
0x800CCCAA NNTP_NEXT_FAILED Unable to open next message
0x800CCCAB NNTP_DATE_FAILED Unable to display date
0x800CCCAC NNTP_HEADERS_FAILED Unable to display headers
0x800CCCAD NNTP_XHDR_FAILED Unable to display MIME headers
0x800CCCAE NNTP_INVALID_USERPASS Invalid user or password
0x800CCCD3 IMAP_BAD_RESPONSE Invalid response to request
0x800CCCD4 IMAP_SVR_SYNTAXERR Syntax error
0x800CCCD6 IMAP_BUFFER_OVERFLOW Buffer limit exceeded
0x800CCCD7 IMAP_RECVR_ERROR Recovery error
0x800CCCD8 IMAP_INCOMPLETE_LINE Incomplete data
0x800CCCD9 IMAP_CONNECTION_REFUSED Connection not allowed
0x800CCCDB IMAP_CHANGEDUID User ID has changed
0x800CCCDC IMAP_UIDORDER User ID command failed
0x800CCCDD IMAP_UNSOLICITED_BYE Unexpected disconnect
0x800CCCDE IMAP_IMPROPER_SVRSTATE Invalid server state
0x800CCCDF IMAP_AUTH_NOT_POSSIBLE Unable to authorize client
0x800CCCE0 IMAP_OUT_OF_AUTH_METHODS No more authorization types