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Groups > comp.os.linux.networking > #661 > unrolled thread

Sendmail on a specific NIC

Started byDoug Weiman <no@nyet.net>
First post2011-10-01 23:16 +0000
Last post2011-10-03 08:41 +0300
Articles 5 — 4 participants

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  Sendmail on a specific NIC Doug Weiman <no@nyet.net> - 2011-10-01 23:16 +0000
    Re: Sendmail on a specific NIC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-10-02 00:18 +0000
    Re: Sendmail on a specific NIC Bill Marcum <bill@lat.local> - 2011-10-02 08:27 -0400
      Re: Sendmail on a specific NIC Doug Weiman <no@nyet.net> - 2011-10-02 21:33 +0000
        Re: Sendmail on a specific NIC Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2011-10-03 08:41 +0300

#661 — Sendmail on a specific NIC

FromDoug Weiman <no@nyet.net>
Date2011-10-01 23:16 +0000
SubjectSendmail on a specific NIC
Message-ID<j68711$1e5$1@news.albasani.net>
	I have a Linux box with two network interfaces. By default 
everything is routed via eth0. What I would like is to have sendmail 
listening on eth1 instead, and for all in/out sendmail traffic to use 
eth1 exclusively. Is this possible?

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#662

FromJorgen Grahn <grahn+nntp@snipabacken.se>
Date2011-10-02 00:18 +0000
Message-ID<slrnj8fbf8.1bk.grahn+nntp@frailea.sa.invalid>
In reply to#661
On Sat, 2011-10-01, Doug Weiman wrote:
> 	I have a Linux box with two network interfaces. By default 
> everything is routed via eth0. What I would like is to have sendmail 
> listening on eth1 instead, and for all in/out sendmail traffic to use 
> eth1 exclusively. Is this possible?

That's a question for comp.mail.sendmail -- setting Followup-To.

It doesn't work like that -- sendmail speaks IP, not Ethernet. If the
IP addresses it listens to are on eth1, and the routes to the IP peers
it needs to talk to go over eth1, then it will use eth1 exclusively.
Not otherwise.

/Jorgen

-- 
  // Jorgen Grahn <grahn@  Oo  o.   .     .
\X/     snipabacken.se>   O  o   .

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#664

FromBill Marcum <bill@lat.local>
Date2011-10-02 08:27 -0400
Message-ID<iu1ml8-7aj.ln1@lat.localnet>
In reply to#661
On 2011-10-01, Doug Weiman <no@nyet.net> wrote:
> 	I have a Linux box with two network interfaces. By default 
> everything is routed via eth0. What I would like is to have sendmail 
> listening on eth1 instead, and for all in/out sendmail traffic to use 
> eth1 exclusively. Is this possible?

Make eth1 the default gateway?


-- 
Confession is good for the soul, but bad for the career.

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#666

FromDoug Weiman <no@nyet.net>
Date2011-10-02 21:33 +0000
Message-ID<j6albf$vr$1@news.albasani.net>
In reply to#664
On Sun, 02 Oct 2011 08:27:30 -0400, Bill Marcum wrote:

> On 2011-10-01, Doug Weiman <no@nyet.net> wrote:
>> 	I have a Linux box with two network interfaces. By default
>> everything is routed via eth0. What I would like is to have sendmail
>> listening on eth1 instead, and for all in/out sendmail traffic to use
>> eth1 exclusively. Is this possible?
> 
> Make eth1 the default gateway?

	I want all traffic to use eth0 - except for sendmail traffic, 
which should use eth1 instead.


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#667

FromTauno Voipio <tauno.voipio@notused.fi.invalid>
Date2011-10-03 08:41 +0300
Message-ID<j6bhu1$4t9$1@dont-email.me>
In reply to#666
On 3.10.11 12:33 , Doug Weiman wrote:
> On Sun, 02 Oct 2011 08:27:30 -0400, Bill Marcum wrote:
>
>> On 2011-10-01, Doug Weiman<no@nyet.net>  wrote:
>>> 	I have a Linux box with two network interfaces. By default
>>> everything is routed via eth0. What I would like is to have sendmail
>>> listening on eth1 instead, and for all in/out sendmail traffic to use
>>> eth1 exclusively. Is this possible?
>>
>> Make eth1 the default gateway?
>
> 	I want all traffic to use eth0 - except for sendmail traffic,
> which should use eth1 instead.


Which are the IP configurations of eth0 and eth1?

What does the routing table (route -n) look like?

-- 

Tauno Voipio

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