IMAP Response Codes

Status responses and response codes returned by IMAP servers. Status responses (OK, NO, BAD, PREAUTH, BYE) indicate the outcome of commands or connection state; response codes appear in brackets within those responses to convey additional detail.

35 codes

• ALERT ALERT
• ALREADYEXISTS ALREADYEXISTS
• APPENDUID APPENDUID
• AUTHENTICATIONFAILED AUTHENTICATIONFAILED
• AUTHORIZATIONFAILED AUTHORIZATIONFAILED
• BAD BAD
• BADCHARSET BADCHARSET
• BYE BYE
• CANNOT CANNOT
• CAPABILITY CAPABILITY
• CLIENTBUG CLIENTBUG
• CONTACTADMIN CONTACTADMIN
• COPYUID COPYUID
• CORRUPTION CORRUPTION
• EXPIRED EXPIRED
• EXPUNGEISSUED EXPUNGEISSUED
• INUSE INUSE
• LIMIT LIMIT
• NO NO
• NONEXISTENT NONEXISTENT
• NOPERM NOPERM
• OK OK
• OVERQUOTA OVERQUOTA
• PARSE PARSE
• PERMANENTFLAGS PERMANENTFLAGS
• PREAUTH PREAUTH
• PRIVACYREQUIRED PRIVACYREQUIRED
• READ-ONLY READ-ONLY
• READ-WRITE READ-WRITE
• SERVERBUG SERVERBUG
• TRYCREATE TRYCREATE
• UIDNEXT UIDNEXT
• UIDVALIDITY UIDVALIDITY
• UNAVAILABLE UNAVAILABLE
• UNSEEN UNSEEN