Scripting changing sending MTA

[Robert Moskowitz]

In the Postfix install documentation I found that I need to do the 
following:

/usr/sbin/alternatives --config mta

And select '2' to switch to Postfix.

Is there a way to put this into an install script?

Something simple like:

echo 2| /usr/sbin/alternatives --config mta

???

[Tom Horsley]

On Tue, 14 Dec 2010 14:16:52 -0500
Robert Moskowitz wrote:

>  And select '2' to switch to Postfix. 
The number '2' may vary depending on the number of different
MTA rpms installed on the system. (I don't know how to
automate it).

[Robert Moskowitz]

On 12/15/2010 09:05 AM, Todd Zullinger wrote:
>  Robert Moskowitz wrote:
>     
> > In the Postfix install documentation I found that I need to do the
> > following:
> >
> > /usr/sbin/alternatives --config mta
> >
> > And select '2' to switch to Postfix.
> >
> > Is there a way to put this into an install script?
> >
> > Something simple like:
> >
> > echo 2| /usr/sbin/alternatives --config mta
> >      
>  Use the --set option rather than --config.  Something like:
>
>       alternatives --set mta /usr/sbin/sendmail.postfix 
Ah.  And

man alternatives

Explains it all  :)

Meanwhile something is broken with alternatives.  I get no response, 
even if I type in the command by itself...

[Todd Zullinger]

Robert Moskowitz wrote:
>  In the Postfix install documentation I found that I need to do the
>  following:
>
>  /usr/sbin/alternatives --config mta
>
>  And select '2' to switch to Postfix.
>
>  Is there a way to put this into an install script?
>
>  Something simple like:
>
>  echo 2| /usr/sbin/alternatives --config mta 
Use the --set option rather than --config.  Something like:

    alternatives --set mta /usr/sbin/sendmail.postfix

Or, do as Jason suggested and simply remove the sendmail package and
ensure postfix is the only MTA installed.

-- 
Todd        OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sir, you are drunk!" "Well madam, I may be be drunk, but you are ugly;
the difference being I will be sober in the morning.
    -- Winston Churchill

[Jason Brown]

You could just script the removal of Sendmail, that should leave Postfix as the default
MTA. 

Jason

On Dec 14, 2010, at 4:24 PM, Robert Moskowitz <rgm(a)htt-consult.com&gt; wrote:

>  On 12/14/2010 02:27 PM, Tom Horsley wrote:
> > On Tue, 14 Dec 2010 14:16:52 -0500
> > Robert Moskowitz wrote:
> > 
> > 
> >> And select '2' to switch to Postfix.
> >> 
> > The number '2' may vary depending on the number of different
> > MTA rpms installed on the system. (I don't know how to
> > automate it).
> > 
>  
>  ARGH!
>  
>  Well this is for the install for the Amahi Mail Server. In our case, for 
>  the most part, Postfix is being added to the base install which has 
>  sendmail. So it is #2. But yeah, this is a bummer...
>  
>  
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[Robert Moskowitz]

On 12/14/2010 02:27 PM, Tom Horsley wrote:
>  On Tue, 14 Dec 2010 14:16:52 -0500
>  Robert Moskowitz wrote:
>
>     
> > And select '2' to switch to Postfix.
> >      
>  The number '2' may vary depending on the number of different
>  MTA rpms installed on the system. (I don't know how to
>  automate it).
>      
ARGH!

Well this is for the install for the Amahi Mail Server. In our case, for 
the most part, Postfix is being added to the base install which has 
sendmail. So it is #2. But yeah, this is a bummer...