[wplug] Sendmail problem.

[Edward Walter]

It's pretty common to set up smtp servers to reject mail that's not coming
from an authoritative source.  What this means is that if the sending
server doesn't have an mx record in its domain's dns table, its mail will
be rejected.

-Ed

> Hi all,
>
> I have a problem with an internal server sending and receiving internet
> email.  There are email servers (AOL for one) that will not accept email
> from this server.  What are they rejecting (see below)?  The
> 'Return-path' or the server header information?
>
> Here is what I have.  An internal HPUX server and LINUX email server.  I
> want HPUX to send internet email.
>
> I have set sendmail on HPUX:
> Dj$w.domain.com (This is what HPUX uses as it's email name)
> DSLINUX (Use LINUX as a Smart Relay host.  This is required because HPUX
> can't resolve DNS) DHLINUX (Use LINUX as the Mail Hub.  This will force
> all non-local email through LINUX) CL root webreq webord (Deliver listed
> users locally.  This keeps root email on HPUX and permits HPUX to
> receive external email for root)
> DMdomain.com  (Masquerade as domain.com)
> CE root (Do not masquerade user)
>
> I have set on LINUX:
> in /etc/mail/access was changed to insure that HPUX.domain.com is
> allowed to relay
>
> /etc/aliases was setup to send
> webreq at domain.com to webreq at HPUX.domain.com (WEB request for an email
> report) webord at domain.com to webord at HPUX.domain.com (email order)
>
>
> On HPUX, I have a daemon running (as root - no choice because of the
> application environment) that generates the internet email. Two things
> show the original server.  The 'Return-path'  and the HPUX header
> information.  As seen below:
>
> Return-path: <root at HPUX.domain.com>
> Envelope-to: salm at servanttechnology.com
> Delivery-date: Thu, 27 Mar 2003 17:20:26 -0500
> Received: from [...] (helo=LINUX.domain.com)
> 	by 208.22.45.101 with esmtp (Exim 3.22 #1)
> 	id 18yfj9-0007bQ-00
> 	for salm at servanttechnology.com; Thu, 27 Mar 2003 17:20:04 -0500
> Received: from HPUX.domain.com (root at HPUX.domain.com [...])
> 	by LINUX.domain.com (8.11.6/8.11.6) with ESMTP id h2RM79h09113;
> 	Thu, 27 Mar 2003 17:07:09 -0500
> Received: (from root at localhost)
> 	by HPUX.domain.com (8.8.6 (PHNE_17190)/8.8.6) id RAA26078;
> 	Thu, 27 Mar 2003 17:06:06 -0500 (EST)
> Date: Thu, 27 Mar 2003 17:06:06 -0500 (EST)
> Message-Id: <200303272206.RAA26078 at HPUX.domain.com>
>
>
> I hope the details help.
>
> What can I do?
>
> thanks
>
> sal
>
>
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