IMAP Response Codes

Created
2009-03-24
Last Updated
2021-08-26
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IMAP Response Codes

Registration Procedure(s)
Expert Review
Expert(s)
Arnt Gulbrandsen and Dave Cridland
Reference
[RFC5530]
Available Formats

CSV
Response Code Reference Status Description (Optional)
NEWNAME [RFC2060] obsolete
REFERRAL [RFC2221]
ALERT [RFC3501][RFC9051]
BADCHARSET [RFC3501][RFC9051]
PARSE [RFC3501][RFC9051]
PERMANENTFLAGS [RFC3501][RFC9051]
READ-ONLY [RFC3501][RFC9051]
READ-WRITE [RFC3501][RFC9051]
TRYCREATE [RFC3501][RFC9051]
UIDNEXT [RFC3501][RFC9051]
UIDVALIDITY [RFC3501][RFC9051]
UNSEEN [RFC3501][RFC9051]
UNKNOWN-CTE [RFC3516][RFC9051]
UIDNOTSTICKY [RFC4315][RFC9051]
APPENDUID [RFC4315][RFC9051]
COPYUID [RFC4315][RFC9051]
URLMECH [RFC4467]
TOOBIG [RFC4469]
BADURL [RFC4469]
HIGHESTMODSEQ [RFC4551]
NOMODSEQ [RFC4551]
MODIFIED [RFC4551]
COMPRESSIONACTIVE [RFC4978]
CLOSED [RFC5162][RFC9051]
NOTSAVED [RFC5182]
BADCOMPARATOR [RFC5255]
ANNOTATE [RFC5257]
ANNOTATIONS [RFC5257]
TEMPFAIL [RFC5259]
MAXCONVERTMESSAGES [RFC5259]
MAXCONVERTPARTS [RFC5259]
NOUPDATE [RFC5267]
NOTIFICATIONOVERFLOW [RFC5465]
BADEVENT [RFC5465]
UNDEFINED-FILTER [RFC5466]
METADATA [RFC5464]
UNAVAILABLE [RFC5530][RFC9051]
AUTHENTICATIONFAILED [RFC5530][RFC9051]
AUTHORIZATIONFAILED [RFC5530][RFC9051]
EXPIRED [RFC5530][RFC9051]
PRIVACYREQUIRED [RFC5530][RFC9051]
CONTACTADMIN [RFC5530][RFC9051]
NOPERM [RFC5530][RFC9051]
INUSE [RFC5530][RFC9051]
EXPUNGEISSUED [RFC5530][RFC9051]
CORRUPTION [RFC5530][RFC9051]
SERVERBUG [RFC5530][RFC9051]
CLIENTBUG [RFC5530][RFC9051]
CANNOT [RFC5530][RFC9051]
LIMIT [RFC5530][RFC9051]
OVERQUOTA [RFC5530][RFC9051]
ALREADYEXISTS [RFC5530][RFC9051]
NONEXISTENT [RFC5530][RFC9051]
USEATTR [RFC6154]
DOWNGRADED [RFC6858]
MAILBOXID [RFC8474]
CAPABILITY [RFC3501][RFC9051]
HASCHILDREN [RFC9051]