| General Errors |
| | ERROR CODE | ERROR TYPE | 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 | |
| | 0x800CCC05 | NOT_CONNECTED | Not connected to server. |
| | 0x800CCC06 | CONN_SEND | |
| | 0x800CCC07 | WOULD_BLOCK | |
| | 0x800CCC08 | INVALID_STATE | |
| | 0x800CCC09 | CONN_RECV | |
| | 0x800CCC0A | INCOMPLETE | Message download incomplete. |
| | 0x800CCC0B | BUSY | Server or maildrop is busy. |
| | 0x800CCC0C | NOT_INIT | |
| | 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 | |
| | 0x800CCC1A | SECURE_CONNECT_FAILED | Unable to connect using Secure Sockets Layer (SSL). |
| | | | |
| WINSOCK Errors |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 0x800CCC40 | WINSOCK_WSASYSNOTREADY | Network subsystem is unusable. |
| | 0x800CCC41 | WINSOCK_WSAVERNOTSUPPORTED | Windows Sockets cannot support this application. |
| | 0x800CCC42 | WINSOCK_WSAEPROCLIM | |
| | 0x800CCC43 | WINSOCK_WSAEFAULT | Bad address. |
| | 0x800CCC44 | WINSOCK_FAILED_WSASTARTUP | Unable to load Windows Sockets. |
| | 0x800CCC45 | WINSOCK_WSAEINPROGRESS | Operation now in progress. This error appears if a Windows Sockets API is called while a blocking function is in progress. |
| | | | |
| Simple Mail Transport Protocol (SMTP) Errors |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 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 | Improper 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. This is caused by having the incorrect e-mail address in the Reply-To field. |
| | 0x800CCC79 | SMTP_REJECTED_RECIPIENTS | Server rejected recipients. |
| | 0x800CCC7A | SMTP_NO_SENDER | No sender address specified. |
| | 0x800CCC7B | SMTP_NO_RECIPIENTS | No recipients specified. |
| |
| Post Office Protocol version 3 (POP3) Errors |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 0x800420CB | POP3_NO_STORE | Mail cannot be stored on server. |
| | 0x800CCC90 | POP3_RESPONSE_ERROR | Client response invalid. |
| | 0x800CCC91 | POP3_INVALID_USER_NAME | Invalid user name or user not found. |
| | 0x800CCC92 | POP3_INVALID_PASSWORD | Password not valid for account. |
| | 0x800CCC93 | POP3_PARSE_FAILURE | Unable to interpret response. |
| | 0x800CCC94 | POP3_NEED_STAT | STAT Command required. |
| | 0x800CCC95 | POP3_NO_MESSAGES | No messages on server. |
| | 0x800CCC96 | POP3_NO_MARKED_MESSAGES | No messages marked for retrieval. |
| | 0x800CCC97 | POP3_POPID_OUT_OF_RANGE | Message ID out of range. |
| |
| HTTPMail Error |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 0x800CCC31 | | Bad Request Configuration Bad or malformed request. |
| |
| Network News Transport Protocol (NNTP) Errors |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 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. |
| |
| Remote Access Service (RAS) Errors |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 0x800CCCC2 | RAS_NOT_INSTALLED | RAS/DUN not installed. |
| | 0x800CCCC3 | RAS_PROCS_NOT_FOUND | RAS/DUN process not found. |
| | 0x800CCCC4 | RAS_ERROR | RAS/DUN error returned. |
| | 0x800CCCC5 | RAS_INVALID_CONNECTOID | Connectoid damaged or missing. |
| | 0x800CCCC6 | RAS_GET_DIAL_PARAMS | Error getting dial settings. |
| |
| Internet Message Access Protocol (IMAP) Errors |
| | ERROR CODE | ERROR TYPE | DESCRIPTION |
| | 0x800CCCD1 | IMAP_LOGINFAILURE | Login failed. |
| | 0x800CCCD2 | IMAP_TAGGED_NO_RESPONSE | Message tagged. |
| | 0x800CCCD3 | IMAP_BAD_RESPONSE | Invalid response to request. |
| | 0x800CCCD4 | IMAP_SVR_SYNTAXERR | Syntax error. |
| | 0x800CCCD5 | IMAP_NOTIMAPSERVER | Not an IMAP server. |
| | 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. |
| | 0x800CCCDA | IMAP_UNRECOGNIZED_RESP | Unknown response. |
| | 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. |
| | | | |
| Note Any of the General, POP3, SMTP, IMAP, NNTP , or HTTPMail error messages may appear for the specific reason noted, or may appear as a result of no server response. |
