(ITS#3798) MAY is MUST ?

[gollum123@free.fr]

Full_Name: Mathieu CHATEAU
Version: 2.2.27
OS: FreeBSD 5.4
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (82.229.178.102)


hello,

when i try to add an entry to the ldap, i got :
entry failed schema check: object class 'qmailUser' requires attribute 'sn'

but the qmailUser is :
objectclass ( 1.3.6.1.4.1.8868.3.1
        NAME 'qmailUser'
        DESC 'qmail local mail recipient'
        SUP ( top $ person $ organizationalPerson )
        MAY ( qmailGID $ qmailUID $ qmaildomain $
                mailQuota $ mailMessageStore $ clearPassword $
                uid $ name $ sn $ cn $ mail $ gn) )

the MAY indicates it's optional (i think so).

any clue ?