Hi,
My questiion was:
> We have an Alpha 2000/300 running Digital Unix 3.0
> We have just gone into Enhanced Security mode running secsetup.
>
> Everything is ok but sendmail. Our system does not receive any mail from
> outside our domain.
> A user unknown error message is returned, and the user does exist. (Believe
> me). :-)
>
> The mail returned on the source (outside domain) system is:
>
> From MAILER-DAEMON Tue May 28 15:31 MET 1996
> Date: Tue, 28 May 1996 15:31:00 +0200 (MET DST)
> From: Mail Delivery Subsystem <MAILER-DAEMON>
> Subject: Returned mail: User unknown
> Message-Id: <199605281331.PAA02948_at_paris.develnet.es>
> To: ccgines
> Content-Length: 1370
>
> This is a MIME-encapsulated message
>
> --PAA02948.833290260/paris.develnet.es
>
> The original message was received at Tue, 28 May 1996 15:27:18 +0200 (MET DST)
> from ccgines_at_localhost
>
> ----- The following addresses have delivery notifications -----
> p0119_at_genio.eui.upm.es (unrecoverable error)
>
> ----- Transcript of session follows -----
> ... while talking to fenix.eui.upm.es.:
> >>> RCPT To:<p0119_at_genio.eui.upm.es>
> <<< 550 <p0119_at_genio.eui.upm.es>... User unknown
> 550 p0119_at_genio.eui.upm.es... User unknown
>
> --PAA02948.833290260/paris.develnet.es
> Content-Type: message/delivery-status
>
> Reporting-MTA: dns; paris.develnet.es
> Arrival-Date: Tue, 28 May 1996 15:27:18 +0200 (MET DST)
>
> Final-Recipient: RFC822; p0119_at_genio.eui.upm.es
> Action: failed
> Status: 5.2.0
> Remote-MTA: DNS; fenix.eui.upm.es
> Diagnostic-Code: SMTP; 550 <p0119_at_genio.eui.upm.es>... User unknown
> Last-Attempt-Date: Tue, 28 May 1996 15:30:57 +0200 (MET DST)
>
> --PAA02948.833290260/paris.develnet.es
> Content-Type: message/rfc822
>
> Return-Path: ccgines
> Received: (from ccgines_at_localhost) by paris.develnet.es (8.7.4/8.7.3) id PAA0294
> 7 for p0119_at_genio.eui.upm.es; Tue, 28 May 1996 15:27:18 +0200 (MET DST)
> Date: Tue, 28 May 1996 15:27:18 +0200 (MET DST)
> From: Gines Bravo <ccgines>
> Message-Id: <199605281327.PAA02947_at_paris.develnet.es>
> Content-Type: text
>
> testing...
>
>
> --PAA02948.833290260/paris.develnet.es--
>
> ------------------8<-------------------- 8<----------------------
>
> Our DNS configuration is as follows: (genio is no routed)
>
> genio IN A 138.100.56.26
> IN MX 10 genio.eui.upm.es.
> IN MX 20 fenix.eui.upm.es.
>
> ------------------8<-------------------- 8<----------------------
>
>
> If I turn Security mode to BASE, everything is ok again.
>
> Any help will be appreciated
> TIA
>
I had no responses :-( so we went back to BASE securiry.
I will sumarize any alterations.
------------------------------------------------------------------------------
_/_/ _/_/ | Javier Martinez Pereira
_/ _/ _/ _/ Centro | Escuela Universitaria de Informatica U.P.M.
_/ _/ de | Phone: 34 +1 3367901
_/ _/ Calculo | E-mail: javier_at_eui.upm.es
_/_/ _/_/ | Just ones & zeros
Received on Mon Jun 10 1996 - 19:28:11 NZST