From: aio shin (aioshingmail.com)
Date: Mon Sep 17 2007 - 14:29:02 CDT

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Helo postfix users,

I dont understand, its getting wierd, I have set the
unknown_local_recipient_reject_code = 450 but still I got unknown user
error from those legit users on my mail server. I observed that it
usually happened when someone send an email to our distribution group
which the usual number of members that should be local recipient goes
to 200 or more. Now I'd setup the local recipient map to blank and
luser_relay being set to one local user.

What could be the other parameters that I should check? if I will
upgrade postfix, is there a possibility that it could be fix? Im
currently running postfix-2.2.10-1.1(el4)

On 9/15/07, aio shin <aioshingmail.com> wrote:
> Wow, I thought below solves the problem, but still got same errors.,
> now what I did was, I changed the parameter
> unknown_local_recipient_reject_code = 450 from its default value to
> 550.
>
>
>
>
>
>
>
>
> > I may have found the source of the problem, my
> >
> > local_recipient_maps = unix:passwd.byname $alias_maps
> >
> >
> > and the host (mail) uses ldap as authentication. We have several ldap
> > servers, the main is remote, then I also have a local ldap database
> > constantly replicating on the main ldap server, but I left it to look
> > on the remote server due to some circumstances. I just thought, maybe
> > during the looking up of the local recipient maps, the ldap timed-out
> > which might be the cause that it declares certain users on that
> > certain time to be unknown. Anyway, I still have to observe this, but
> > this is now my primary suspect.
> >
> >
> > On 9/12/07, aio shin <aioshingmail.com> wrote:
> > > Sorry, I only understand english..
> > >
> > >
> > >
> > >
> > > On 9/12/07, postmasterterralink.it <postmasterterralink.it> wrote:
> > > > Notifica sullo stato del recapito generata automaticamente.
> > > >
> > > > QUESTO +AMg- SOLO UN MESSAGGIO DI AVVISO.
> > > >
> > > > NON +AMg- NECESSARIO INVIARE NUOVAMENTE IL MESSAGGIO.
> > > >
> > > > Recapito ritardato per i seguenti destinatari.
> > > >
> > > > davide.ambrosiTERRALINK.IT
> > > >
> > > >
> > > >
> > > >
> > > > Final-Recipient: rfc822;davide.ambrosiTERRALINK.IT
> > > > Action: delayed
> > > > Status: 4.4.7
> > > > Will-Retry-Until: Sun, 16 Sep 2007 05:09:00 +0200
> > > > X-Display-Name: Davide Ambrosi
> > > >
> > > >
> > > >
> > > > ---------- Forwarded message ----------
> > > > From: "aio shin" <aioshingmail.com>
> > > > To: postfix-userspostfix.org
> > > > Date: Wed, 12 Sep 2007 11:07:14 +0800
> > > > Subject: Re: undelivered mail problem
> > > > I still got one instance of undelivered mail problem after changing my
> > > > virtual alias maps. The same problem, it declared the user still as
> > > > unknown, though already add a localhost at the last part of the user.
> > > >
> > > > I did not forgot to restart postfix and already re-run postmap on virtual file
> > > >
> > > >
> > > > #/etc/postfix/virtual
> > > > giovanni.claveriamydomain.com giovanni.claverialocalhost
> > > > giovanni.claveriamail.mydomain.com giovanni.claverialocalhost
> > > >
> > > > and my mydestination entry at main.cf is
> > > > mydestination = $myhostname, localhost.$mydomain, localhost
> > > >
> > > >
> > > > and is there a significant on my /etc/hosts file, here' s the entries.
> > > >
> > > > 127.0.0.1 localhost.localdomain localhost
> > > > 192.168.100.254 mail.mydomain.com mail #this is my eth0
> > > >
> > > >
> > > > or should I append mail.mydomain.com beside localhost?
> > > >
> > > > TIA
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On 9/12/07, aio shin <aioshingmail.com> wrote:
> > > > > On 9/11/07, Noel Jones <njonesmegan.vbhcs.org> wrote:
> > > > > > On Mon, Sep 10, 2007 at 05:24:43PM -0800, aio shin wrote:
> > > > > > > hi list
> > > > > > >
> > > > > > > I have this undelivered mail bounce message.. I just change the original to
> > > > > > > mydomain for posting here.
> > > > > > >
> > > > > > > *Final-Recipient: rfc822;
> > > > > > > **giovanni.claveriamail.mydomain.com*<giovanni.claveriamail.mydomain.com>
> > > > > > > *Action: failed
> > > > > > > Status: 5.0.0
> > > > > > > Diagnostic-Code: X-Postfix; unknown user: "giovanni.claveria"*
> > > > > > >
> > > > > > > Now, am not sure, why the user became unknown., the user has entry at
> > > > > > > virtual alias map file, say
> > > > > > > /etc/postfix/virtual contains below:
> > > > > > >
> > > > > > > *giovanni.claveriamail.mydomain.com* <giovanni.claveriamail.mydomain.com>
> > > > > > > *giovanni.claveria *
> > > > > > > #this entry will deliver the messages to giovanni locally, on the said host.
> > > > > > >
> > > > > > > The problem happened randomly, because it normally delivers on its mailbox,
> > > > > > > there should no problem at all, but at random time, it just happens, some
> > > > > > > users becomes unknown for a random time then it goes back to normal again.
> > > > > > >
> > > > > > > Any idea how I should fix this.?
> > > > > > >
> > > > > > > Thanks so much in advance.
> > > > > >
> > > > > > Your mail is hard to read due to mangling by gmail.
> > > > > > Please press the [Plain Text] button when posting from gmail.
> > > > > >
> > > > > > As a general rule, virtual aliases should have a fully qualified
> > > > > > domain name as the result. This prevents surprises.
> > > > > >
> > > > > > instead of something like:
> > > > > > giovanni.claveriamail.example.com giovanni.claveria
> > > > > >
> > > > > > use instead:
> > > > > > giovanni.claveriamail.example.com giovanni.claverialocalhost
> > > > > >
> > > > > > and make sure "localhost" is included in the main.cf mydestination
> > > > > > parameter (assuming you want local delivery).
> > > > > >
> > > > > > If you need more help, please see:
> > > > > > http://www.postfix.org/DEBUG_README.html#mail
> > > > > >
> > > > > > --
> > > > > > Noel Jones
> > > > > >
> > > > >
> > > > >
> > > > > THanks, I will try that, the localhost part., and thanks also for
> > > > > reminding on plaintext button., I will feedback later after observing
> > > > > what will happen next.
> > > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> >
> >
> >
> >
> >
>

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