>> If an undefined value was really intended, it should be represented >> in LDAP (or in SQL) as a NULL, not some string.
> Thank you very much for your message and guide, > I already checked and see some users have "amavisSpamTagLevel = undef" > in ldap data. > > If I input some value into this config, the warning will fix. Right ? Right. Either put a numerical value there, or if you'd like for a LDAP lookup on such attribute to fall back to a static default, put a NULL attribute value there. Mark
