courier smarthost configuring?

[Mike Eggleston-2]

I have a linux box in my dmz that previously handled web, ftp,
and incoming email. I have moved the incoming email to a dedicated
(different) linux box running sendmail instead of courier. There are
web forms on the web box that still has courier that I want forwarded
to the dmz email box. The web box will never receive any email, only
generate the email from things like webforms as root and apache.

I did not have the file web:/etc/courier/esmtproutes, so I created that
file (with vi) and added the single line ':[192.168.200.3]' hoping that
all email on the web box would be forwarded. I also did a 'courier stop'
then a 'courier start'. The mail is still being delivered locally on
the web box instead of being forwarded to the email box.

What else should I look at and change on the web box so that the web
box will forward all email to the dmz box?

Mike

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[Jerry Amundson-2]

On Thu, Jun 26, 2008 at 2:02 PM, Mike Eggleston <mikeegg1@...> wrote:

> I have a linux box in my dmz that previously handled web, ftp,
> and incoming email. I have moved the incoming email to a dedicated
> (different) linux box running sendmail instead of courier. There are
> web forms on the web box that still has courier that I want forwarded
> to the dmz email box. The web box will never receive any email, only
> generate the email from things like webforms as root and apache.
>
> I did not have the file web:/etc/courier/esmtproutes, so I created that
> file (with vi) and added the single line ':[192.168.200.3]' hoping that
> all email on the web box would be forwarded. I also did a 'courier stop'
> then a 'courier start'. The mail is still being delivered locally on
> the web box instead of being forwarded to the email box.
>
> What else should I look at and change on the web box so that the web
> box will forward all email to the dmz box?

Did you remove /etc/courier/locals?

jerry

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[Mike Eggleston-2]

On Thu, 26 Jun 2008, Jerry Amundson might have said:

> On Thu, Jun 26, 2008 at 2:02 PM, Mike Eggleston <mikeegg1@...> wrote:
> > I have a linux box in my dmz that previously handled web, ftp,
> > and incoming email. I have moved the incoming email to a dedicated
> > (different) linux box running sendmail instead of courier. There are
> > web forms on the web box that still has courier that I want forwarded
> > to the dmz email box. The web box will never receive any email, only
> > generate the email from things like webforms as root and apache.
> >
> > I did not have the file web:/etc/courier/esmtproutes, so I created that
> > file (with vi) and added the single line ':[192.168.200.3]' hoping that
> > all email on the web box would be forwarded. I also did a 'courier stop'
> > then a 'courier start'. The mail is still being delivered locally on
> > the web box instead of being forwarded to the email box.
> >
> > What else should I look at and change on the web box so that the web
> > box will forward all email to the dmz box?
>
> Did you remove /etc/courier/locals?
>
> jerry

After removing /etc/courier/locals and 'courier restart', I received no
mail (so I put the file back and restarted again).

Mike

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[Mike Eggleston-2]

On Thu, 26 Jun 2008, Mike Eggleston might have said:

> On Thu, 26 Jun 2008, Jerry Amundson might have said:
>
> > On Thu, Jun 26, 2008 at 2:02 PM, Mike Eggleston <mikeegg1@...> wrote:
> > > I have a linux box in my dmz that previously handled web, ftp,
> > > and incoming email. I have moved the incoming email to a dedicated
> > > (different) linux box running sendmail instead of courier. There are
> > > web forms on the web box that still has courier that I want forwarded
> > > to the dmz email box. The web box will never receive any email, only
> > > generate the email from things like webforms as root and apache.
> > >
> > > I did not have the file web:/etc/courier/esmtproutes, so I created that
> > > file (with vi) and added the single line ':[192.168.200.3]' hoping that
> > > all email on the web box would be forwarded. I also did a 'courier stop'
> > > then a 'courier start'. The mail is still being delivered locally on
> > > the web box instead of being forwarded to the email box.
> > >
> > > What else should I look at and change on the web box so that the web
> > > box will forward all email to the dmz box?
> >
> > Did you remove /etc/courier/locals?
> >
> > jerry
>
> After removing /etc/courier/locals and 'courier restart', I received no
> mail (so I put the file back and restarted again).
>
> Mike

I think here's what's happening. I mis-spoke above about the contents
of /etc/courier/esmtproutes. I did have in /etc/courier/esmtproutes
':viper' since that's the name of the host. When I change ':viper'
to ':[192.168.200.3]' the forwarding/smarthost worked. I think my dmz
web box has an issue with the name 'viper', though I did have 'viper'
in /etc/hosts.

Anyway, I'm waiting for a bit to watch legitimate traffic come through
the dmz.

Thanks for your help, Jerry.

Mike

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[Jeff Jansen-2]

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Mike Eggleston <mikeegg1@...> wrote on 2008-Jun-27:
> I think here's what's happening. I mis-spoke above about the contents
> of /etc/courier/esmtproutes. I did have in /etc/courier/esmtproutes
> ':viper' since that's the name of the host. When I change ':viper'
> to ':[192.168.200.3]' the forwarding/smarthost worked. I think my dmz
> web box has an issue with the name 'viper', though I did have 'viper'
> in /etc/hosts.

Courier doesn't use /etc/hosts, it uses DNS.  So unless your DNS will
resolve "viper", then courier can't either.

Jeff Jansen
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