postfix - mail forwarding loop

[David Flekna]

Pokusim se to upresnit.

Tedy postavene je to tak, ze na postovnim serveru v internetu, ktery patri
jine firme a ktery je spravcem nasi domeny, jsou definovany schranky pro
nasi domenu. Nas postovni server (s postfixem) si pravidelne pres fetchmail
stahuje vsechny ty schranky k sobe. Vsechno fungovalo az do te doby, nez
na onom cizim postovnim serveru udelali upgrade. Konkretne vymenili jakysi
windowsovsky postovni system (imail) za linuxovy qmail. Od toho okamziku
fetchmail
stahne postu, preda ji postfixu a ten odesle odesilateli mail s timto
obsahem:
-----
This is the Postfix program at host postfix.domena.cz.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the message returned below.

The Postfix program

<uzivatel na domena.cz>: mail forwarding loop for uzivatel na domena.cz
-----
v logu se pak objevi toto
-----
Jan 13 12:47:41 fetchmail[24600]: 1 message for uzivatel na domena.cz at
domena.cz (5204 octets).
Jan 13 12:47:42 fetchmail[24600]: reading message 1 of 1 (5204 octets)
Jan 13 12:47:42 postfix/smtpd[30113]: connect from localhost.localdomain
[127.0.0.1] Jan 13 12:47:42 postfix/smtpd[30113]: 14604763E:
client=3Dlocalhost.local domain[127.0.0.1]
Jan 13 12:47:42 postfix/cleanup[30108]: 14604763E:
message-id=3D<005001c2bafa$0bf9b620$6e01a8c0 na local>
Jan 13 12:47:42 fetchmail[24600]:  flushed
Jan 13 12:47:42 postfix/qmgr[30099]: 14604763E:
from=3D<odesilatel na domena.cz>, size=3D5620, nrcpt=3D1 (queue active)
Jan 13 12:47:42 postfix/local[30109]: 14604763E: to=3D<uzivatel na domena.cz>,
relay=3Dlocal, delay=3D0, status=3Dbounced (mail forwa rding loop for
uzivatel na domena.cz)
Jan 13 12:47:42 postfix/cleanup[30108]: 62FC87647:
message-id=3D<lt>20030113114742.62FC87647 na postfix.domena.cz>
Jan 13 12:47:42 postfix/qmgr[30099]: 62FC87647: from=3D<>, size=3D7208,
nrcpt=3D1 (queue active)
Jan 13 12:47:42 postfix/local[30109]: warning: dict_nis_init: NIS domain
name not set - NIS lookups disabled
Jan 13 12:47:42 postfix/local[30109]: 62FC87647: to=3D<odesilatel na domena.
cz>, relay=3Dlocal, delay=3D0, status=3Dsent (mailbox)
-----

Osdesilani normalne funguje, protoze jde naprimo. S tohoto usuzuju, ze majly
vraci nas postfix, ale nechapu, jak ho muze ovlivnit upgrade postovniho
serveru, kdyz postu z nej taha fetchmail a teprve pak ji predava postfixu.
Nadruhou stranu ty problemy prokazatelne (vycteno z logu) zacaly v okamziku,
kdy se ten postovni server v internetu rozjel po upgradu. Jedine co me
napada je, ze
fetchmail dostaval od imailu neco, co od qmailu nedostava a doplnuje to
implicitne.
Jenze to neni to co potrebuje postfix. Ale nevim co to je.

Snad jsem to popsal srozumitelne. Je to trochu zamotany, tak se to blbe
popisuje. Pokud byste potreboval jeste dalsi informace, zjistim je.

Jinak moc dik za snahu o pomoc

David


----- Original Message -----
From: "Pavel Urban" <urbanp na mlp.cz>
To: <linux na linux.cz>
Sent: Monday, January 13, 2003 11:35 AM
Subject: Re: postfix - mail forwarding loop


> Co jste menil? Jako co je ten postfix nastaveny? Neni nahodou treba
> nastaven jako relay na nejaky smarthost, odkud se ty maily zase vraci?
> Odkud konkretne se ty maily vraci a kudy prichazeji?
>
> David Flekna wrote:
> > Zdravim,
> >
> > poradte mi prosim. Na jednom serveru mam rozjety postfix coby postovni
server. Dlouho chodil bez problemu a najednou zacal na kazdy majl z venku
odpovidat chybovou hlaskou o nedorucitelnosti. V logu je u takovych majlů
zapsan radek obsahujici hlasku:
> >
> > status: bounced (mail forwarding loop)
> >
> > Tusim, ze to bude nejaka blbost, ale nemuzu prijit na to jaka.