smb.conf (works fine for outlook)

[global]

        workgroup = xxxxx

        server string =

        dns proxy = no

        log file =

        max log size = 0

        syslog = 0

        panic action = /usr/share/samba/panic-action %d

;       encrypt passwords = yes

;       passdb backend = tdbsam

        obey pam restrictions = yes

;       unix password sync = no

        passwd program =

        passwd chat =

;       pam password change = no

        map to guest = bad user

        usershare allow guests = yes

        wins server = x.x.x.x

;       password server = *

        security = domain

;       guest ok = no

;       guest account = nobody