Gentoo: courier-imap no reconoce los usuarios

mail home # smbldap-usershow uno
dn: uid=uno,ou=Users,dc=XXX,dc=com
uid: ssuarez
uidNumber: 522
gidNumber: 100
homeDirectory: /home/uno
shadowLastChange: 12440
shadowMax: 99999
shadowWarning: 7
userPassword: {CRYPT}BGVrxsbaDFmdQ
loginShell: /bin/false
cn: Uno
mail: uno@XXX.com
sn: uno
gecos: uno
mailuserquota: 0
objectClass: posixAccount,inetOrgPerson,shadowAccount,mailAccount
mailbox: /home/uno/Maildir/
mailenable: OK

mail home # smbldap-usershow dos
dn: uid=dos,ou=Users,dc=XXX,dc=com
uid: dos
uidNumber: 1001
gidNumber: 1001
homeDirectory: /home/dos
shadowWarning: 7
loginShell: /bin/false
cn: dos
mail: dos@XXX.com
sn: dos
gecos: dos
mailuserquota: 0
objectClass: posixAccount,inetOrgPerson,shadowAccount,mailAccount
mailbox: /home/dos/Maildir/
mailenable: OK
userPassword: {CRYPT}gWnBGqyb6LPRE
shadowLastChange: 14560
shadowMax: 9999