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                                                                 IMAP Response Codes

Created
        2009-03-24

Last Updated
        2026-08-04

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Registry Included Below

  • IMAP Response Codes

IMAP Response Codes

Registration Procedure(s)

             Expert Review


Expert(s)

             Arnt Gulbrandsen, Dave Cridland


Reference
        [RFC 5530]

Available Formats
        [IMG]
        CSV

   Response Code           Reference        Status Description (Optional)
NEWNAME              [RFC 2060]             obsolete
REFERRAL             [RFC 2221]
ALERT                [RFC 3501]; [RFC 9051]
BADCHARSET           [RFC 3501]; [RFC 9051]
PARSE                [RFC 3501]; [RFC 9051]
PERMANENTFLAGS       [RFC 3501]; [RFC 9051]
READ-ONLY            [RFC 3501]; [RFC 9051]
READ-WRITE           [RFC 3501]; [RFC 9051]
TRYCREATE            [RFC 3501]; [RFC 9051]
UIDNEXT              [RFC 3501]; [RFC 9051]
UIDVALIDITY          [RFC 3501]; [RFC 9051]
UNSEEN               [RFC 3501]; [RFC 9051]
UNKNOWN-CTE          [RFC 3516]; [RFC 9051]
UIDNOTSTICKY         [RFC 4315]; [RFC 9051]
APPENDUID            [RFC 4315]; [RFC 9051]
COPYUID              [RFC 4315]; [RFC 9051]
URLMECH              [RFC 4467]
TOOBIG               [RFC 4469]
BADURL               [RFC 4469]
HIGHESTMODSEQ        [RFC 4551]
NOMODSEQ             [RFC 4551]
MODIFIED             [RFC 4551]
COMPRESSIONACTIVE    [RFC 4978]
CLOSED               [RFC 5162]; [RFC 9051]
NOTSAVED             [RFC 5182]
BADCOMPARATOR        [RFC 5255]
ANNOTATE             [RFC 5257]
ANNOTATIONS          [RFC 5257]
TEMPFAIL             [RFC 5259]
MAXCONVERTMESSAGES   [RFC 5259]
MAXCONVERTPARTS      [RFC 5259]
NOUPDATE             [RFC 5267]
NOTIFICATIONOVERFLOW [RFC 5465]
BADEVENT             [RFC 5465]
UNDEFINED-FILTER     [RFC 5466]
METADATA             [RFC 5464]
UNAVAILABLE          [RFC 5530]; [RFC 9051]
AUTHENTICATIONFAILED [RFC 5530]; [RFC 9051]
AUTHORIZATIONFAILED  [RFC 5530]; [RFC 9051]
EXPIRED              [RFC 5530]; [RFC 9051]
PRIVACYREQUIRED      [RFC 5530]; [RFC 9051]
CONTACTADMIN         [RFC 5530]; [RFC 9051]
NOPERM               [RFC 5530]; [RFC 9051]
INUSE                [RFC 5530]; [RFC 9051]
EXPUNGEISSUED        [RFC 5530]; [RFC 9051]
CORRUPTION           [RFC 5530]; [RFC 9051]
SERVERBUG            [RFC 5530]; [RFC 9051]
CLIENTBUG            [RFC 5530]; [RFC 9051]
CANNOT               [RFC 5530]; [RFC 9051]
LIMIT                [RFC 5530]; [RFC 9051]
OVERQUOTA            [RFC 5530]; [RFC 9051]
ALREADYEXISTS        [RFC 5530]; [RFC 9051]
NONEXISTENT          [RFC 5530]; [RFC 9051]
USEATTR              [RFC 6154]
DOWNGRADED           [RFC 6858]
MAILBOXID            [RFC 8474]
CAPABILITY           [RFC 3501]; [RFC 9051]
HASCHILDREN          [RFC 9051]
UIDREQUIRED          [RFC 9586]
INPROGRESS           [RFC 9585]
TOOMANY              [RFC 10022]
TOOFEW               [RFC 10022]

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