Darek M.:
> Hi there, my postfix "smart relay" install queries my LDAP system where
> it was never configured to do so.
>
> The OS is configured with LDAP/KRB5 authentication and does user/group
> lookups via LDAP using nss_ldap:
>
> # egrep 'passwd|group' /etc/nsswitch.conf
> group: files ldap
> group_compat: nis
> passwd: files ldap
> passwd_compat: nis
>
> I disabled local delivery as per "The book of Postfix":
> mydestination =
> local_recipient_maps =
> virtual_alias_maps = hash:/etc/postfix/virtual
> local_transport = error:local mail delivery is disabled
Every Postfix process needs to look up the postfix user, and for
sanity checks it also looks up the postdrop group.
Postfix does not look up this user/group information via LDAP. The
system library does the lookups via the nsswitch mechanism.
Wietse
