Re: [Exim] exim failing to find users

On Mon, 3 Mar 2003, Phil Chambers wrote:

> The system uses NIS for the password and group files. Another machine
> is the master with the mail server being its own slave server (ypwhich
> shows it to be latched on to itself every time I check). The make
> processes on the master server do not co-incide with these events. I
> have checked the yp logs and see no NIS updates taking place at the
> relevant times.
>
> Clearly, I only notice that this has happened some time later when I see
> the paniclog.
>
> I am at a loss as to how to investigate further. Does anyone have any
> ideas as to how I might work out what is going on and what I might do to
> generate some diagnostics when it happens next?

You should use a nis-lookup somewhere in your acl, that evaluates to true
all the time and defers otherwise, or use a router that does a nis-lookup,
so it defers on failure. The getpwnam interface has no return-code for
temporary errors.

Phil recently added a FAQ entry about this.

Nico