- 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 UNRECOGNISED 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