(Fwd) Delivery failure .... problem se sendmailem ??

[Dan Lukes]

On  3 Aug 98 at 9:30, Stepan Chladek wrote:

> lokalnich uzivatelu napise nespravnou cilovou adresu (preklep atd)
> Pak se vrati ten dopis co napsal, ale pouze postmasterovi.

    To je jinak. Teda alespon zaslany vzorek je jinak - 
odeslan byl:    
1|      From: "Stepan Chladek" <snappy at carl.gyzamb.cz>
1|      To: bnvbxcvxbcbvxnm at hotmail.com
MERCURY to predal sendmailu, ten se spojil s mail.hotmail.com a dostal 550.
Vygeneroval chybovou hlasku:
2|    From: Mail Delivery Subsystem <MAILER-DAEMON at gyzamb.cz>
2|    To: <snappy at carl.gyzamb.cz>
a zacal ji tlacit na MERCURY. Ten si postezuje na "ilegal from" adresu
a vygeneruje chybove hlaseni jednak POSTMASTERovi, jednak odesilateli - 
jenze tim je "<>" (protoze zde jde o chybovou reakci na chybove hlaseni) a 
pro toho se chybova hlaseni nikdy negeneruji.

    Takze ted vime, proc prijde hlaseni jen postmasterovi. Zda se take
jasne, ze chyba neni s sendmailu a Unixu, takze reseni sem vlastne  
nepatri. Nicmene, kdyz uz sem pisu ...   

     Ted jeste proc MERCURY drzkuje, ze MAILER-DAEMON at gyzamb.cz je invalid 
From: address.

    Tipuji to na to, ze gyzamb.cz povazuje za svoji domenu (ma to tak 
nastaveno v MERCURY.INI, sekce [Domains]) a pak je tedy ve From: lokalni 
uzivatel - tedy je potreba okontrolovat zda na Novellu existuje a ejhle, on 
neexistuje.

    Reseni jsou dve 
1|     - mit na Netware uzivatele se jmenem MAILER-DAEMON (nebo jineho 
1| uzivatele, jehoz From-alias (viz pmgrant -f) je MAILER-DAEMON) - na toho 
1| uzivatele se nemusi jit vubec nalogovat a postu by mel mit forwardovanou 
1| postmasterovi
2|    - v mercury.ini, sekce [Mercury]  pridat "Gullible: 1" -
2| pak MERCURY zcela prestane kontrolovat platnost "From:". 

Reseni [2] ale nedoporucuji, protoze usnadnuje zivot falsovacum adres.

    Jestli se pletu a neni to tak. posli cely sendmail.cf, mercury.ini, 
prislusne kousky LOGu jak z MERCURY tak sendmailu a jeste jednou forwardni 
chybu (nebudu si to schovavat) - uz ale asi ne do konference, protoze Unix 
je v tom nejspis nevine.

                                        Dan
                                        

--- A jeste chybova hlaska o kterou se jedna, abyste se mohli podivat:
> >To:            Postmaster
> >From:          Postmaster
> >Date:          Wed, 29 Jul 98 8:48:03 +0200
> >Subject:       Delivery failure
> >
> >Failed message:
> >reason - '
> >   Job has invalid or illegal from address.
> >'
> >---
> >$$<> 
> ><snappy at carl.gyzamb.cz>
> >
> >Return-path: <> 
> >Received: from gyzamb.cz (192.168.1.254) by carl.gyzamb.cz (Mercury 
> >1.40) with ESMTP;    29 Jul 98 08:47:56 +0200
> >Received: from localhost (localhost)
> >   by gyzamb.cz (8.8.7/8.8.7) with internal id IAA02691;
> >   Wed, 29 Jul 1998 08:42:15 +0200 (CEST)
> >   (envelope-from MAILER-DAEMON)
> >Date: Wed, 29 Jul 1998 08:42:15 +0200 (CEST)
> >From: Mail Delivery Subsystem <MAILER-DAEMON at gyzamb.cz>
> >To: <snappy at carl.gyzamb.cz>
> >Subject: Returned mail: User unknown
> >
> >The original message was received at Wed, 29 Jul 1998 08:42:07 +0200 
> >(CEST) from carl.gyzamb.cz [192.168.1.200]
> >
> >   ----- The following addresses had permanent fatal errors -----
> ><bnvbxcvxbcbvxnm at hotmail.com>
> >
> >--IAA02691.901694535/gyzamb.cz
> >Content-Type: message/rfc822
> >
> >Return-Path: <snappy at carl.gyzamb.cz>
> >Received: from carl.gyzamb.cz (carl.gyzamb.cz [192.168.1.200])
> >   by gyzamb.cz (8.8.7/8.8.7) with ESMTP id IAA02689
> >   for <bnvbxcvxbcbvxnm at hotmail.com>; Wed, 29 Jul 1998 08:42:07 +0200 
> >(CEST) (envelope-from snappy at carl.gyzamb.cz)
> >Received: from ALBERON/SpoolDir by carl.gyzamb.cz (Mercury 1.40);
> >    29 Jul 98 08:47:48 +0200
> >Received: from SpoolDir by ALBERON (Mercury 1.40); 29 Jul 98 
> >08:47:34 +0200 From: "Stepan Chladek" <snappy at carl.gyzamb.cz>
> >To: bnvbxcvxbcbvxnm at hotmail.com
> >Date: Wed, 29 Jul 1998 08:47:26 +0200
> >Subject: pokusf
...


Dan Lukes (FIO holding, a.s.) tel: +420 2 24102204, fax: ...301
root,   webmaster,   postmaster   and   othermaster  of  FIONet
AKA: dan at obluda.cz, dan at freebsd.cz, dan at kolej.mff.cuni.cz