Re: Postfix: user unknown

["nate" <centos@xxxxxxxxxxxxxxxx>]

Manuel Monteiro wrote:
>
>
> Dear all,
>
>
>
> I have a mail server based on  a CentOS 5.3 machine with postfix.
>
>
>
> Most of our users are on LDAP (on localhost) but we also have some local
> users and we are using PAM for authentication.

Are you running nscd on the server? That should smooth out LDAP
blips, though I would disable nscd's dns caching in /etc/nscd.conf

Is postfix configured to talk directly to LDAP ? What does the
configuration look like?

nate

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