duplicated mail domain in transport_maps

[Thanachit Vichianchay]

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Hi all,

I am wondering, What will happen if I put the duplicated mail domain in
postfix transport list
like this ...

mydomain.ac.xx smtp:[10.100.100.101]:25
mydomain.ac.xx smtp:[10.100.100.101]:25

I am finding an appropiated solution to test the new mail system with the
same user and concurrent as the existing system.
any information , direction , suggestion on my question
will be appreciated.

Thank you,

Thanachit V.

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Hi all, <br><br>I am wondering, What will happen if I put the duplicated ma=
il domain in postfix transport list<br>like this ...<br><br>mydomain.ac.xx =
=A0=A0=A0 smtp:[10.100.100.101]:25<br>mydomain.ac.xx =A0=A0 smtp:[10.100.10=
0.101]:25<br>
<br>I am finding an appropiated solution to test the new mail system with t=
he same user and concurrent as the existing system.<br>any information , di=
rection , suggestion on my question <br>will be appreciated.<br><br>Thank y=
ou,<br>
<br>Thanachit V.<br><br><br><br><br>

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[Thanachit Vichianchay]

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sorry,
I mean

mydomain.ac.xx smtp:[10.100.100.101]:25
mydomain.ac.xx smtp:[10.100.100.102]:25

2009/8/30 Thanachit Vichianchay <bank...@it.kmitl.net>

> Hi all,
>
> I am wondering, What will happen if I put the duplicated mail domain in
> postfix transport list
> like this ...
>
> mydomain.ac.xx smtp:[10.100.100.101]:25
> mydomain.ac.xx smtp:[10.100.100.101]:25
>
> I am finding an appropiated solution to test the new mail system with the
> same user and concurrent as the existing system.
> any information , direction , suggestion on my question
> will be appreciated.
>
> Thank you,
>
> Thanachit V.
>
>
>
>
>

--0016e6dee6fcfa562204724db3ca

Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

sorry,<br>I mean<br><br>mydomain.ac.xx =A0=A0=A0 smtp:[10.100.100.101]:25<b=
r>mydomain.ac.xx =A0=A0 smtp:[10.100.100.102]:25<br><br><div class=3D"gmail=
_quote">2009/8/30 Thanachit Vichianchay <span dir=3D"ltr">&lt;<a href=3D"ma=
ilto:bank...@it.kmitl.net">bank...@it.kmitl.net</a>&gt;</span><br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi all, <br><br>I=
am wondering, What will happen if I put the duplicated mail domain in post=
fix transport list<br>
like this ...<br><br>mydomain.ac.xx =A0=A0=A0 smtp:[10.100.100.101]:25<br>m=
ydomain.ac.xx =A0=A0 smtp:[10.100.100.101]:25<br>

<br>I am finding an appropiated solution to test the new mail system with t=
he same user and concurrent as the existing system.<br>any information , di=
rection , suggestion on my question <br>will be appreciated.<br><br>Thank y=
ou,<br>

<br>Thanachit V.<br><br><br><br><br>

</blockquote></div><br>

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[/dev/rob0]

On Saturday 29 August 2009 15:32:44 Thanachit Vichianchay wrote:
> sorry,
> I mean
>
> mydomain.ac.xx smtp:[10.100.100.101]:25
> mydomain.ac.xx smtp:[10.100.100.102]:25

Try it, you will see that it does not work.

I would suggest setting a MX record and using that:

mymx.mydomain.ac.xx. MX 10 host1.mydomain.ac.xx.
mymx.mydomain.ac.xx. MX 20 host2.mydomain.ac.xx.
host1.mydomain.ac.xx. A 10.100.100.101
host2.mydomain.ac.xx. A 10.100.100.102

then in transport_maps :
mydomain.ac.xx smtp:mymx.mydomain.ac.xx

Set equal priorities if you want both hosts to be used more or less
equally.

The same DNS-based solution could be extended to avoid the use of
transport_maps altogether. Simply set the MX for mydomain.ac.xx. in a
private view for the mail server. BIND named(8) has "view" features
which do this. A simpler means of overriding global DNS for a host
can be had using dnsmasq(8).
--
Offlist mail to this address is discarded unless
"/dev/rob0" or "not-spam" is in Subject: header

[Magnus Bäck]

On Saturday, August 29, 2009 at 22:25 CEST,
Thanachit Vichianchay <bank...@it.kmitl.net> wrote:

> I am wondering, What will happen if I put the duplicated mail domain
> in postfix transport list
> like this ...
>

> mydomain.ac.xx smtp:[10.100.100.101]:25

> mydomain.ac.xx smtp:[10.100.100.101]:25
>
> I am finding an appropiated solution to test the new mail system with
> the same user and concurrent as the existing system.

You want the same message delivered to multiple locations? That's a FAQ
that has been answered here many times before, including in the past
couple of weeks. In short, the above won't work. You need to split each
recipient in two, either using virtual_alias_maps or recipient_bcc_maps.

--
Magnus B�ck
mag...@dsek.lth.se