Interesting Email Server Setup Article from Redhat

[David Bandel]

On 12/7/06, Jay Nugent <jjn at nuge.com> wrote:
> Greetings,
>
> On Thu, 7 Dec 2006, Ric Moore wrote:
>
> > On Thu, 2006-12-07 at 14:08 +1100, James McDonald wrote:
> > > http://www.redhat.com/magazine/025nov06/features/email/index.html#parttwo?sc_cid=bcm_edmsept_007
> >
> > Good link! Thanx! Ric
>
>    That it is!  I forwarded it to the guy who I railroaded...errr... got
> to volunteer to do a presentation for our upcoming LUG meeting on
> installing an MTA then configuring it to work with one or more of the many
> spam filtering programs.  We'll see if it gets him over the hurdles
> without catching anything delicate as he goes over the bars.
>
>    So then I set off to try this "How To" myself.  Got as far as breaking
> sendmail :(   Now it coughs and chokes and blows chunks before finally
> getting a wedgie.  Oh well.. Gives me something to debug tonight.
>
>
> Dec  7 00:36:37 localhost sm-mta[29734]: NOQUEUE: SYSERR(root):
> opendaemonsocket: daemon MTA-v4: cannot bind: Address already in use
> Dec  7 00:36:37 localhost sm-mta[29734]: daemon MTA-v4: problem creating
> SMTP socket
> Dec  7 00:36:42 localhost sm-mta[29734]: NOQUEUE: SYSERR(root):
> opendaemonsocket: daemon MTA-v4: cannot bind: Address already in use
> Dec  7 00:36:42 localhost sm-mta[29734]: daemon MTA-v4: problem creating
> SMTP socket
> Dec  7 00:36:42 localhost sm-mta[29734]: NOQUEUE: SYSERR(root):
> opendaemonsocket: daemon MTA-v4: server SMTP socket wedged: exiting

Pretty obvious what the problem is:  a program already has port 25
bound.  Before you can start this SMTP process, you have to kill
whatever grabbed port 25.

netstat -pan | grep 25
should show you what's running on port 25.

Ciao,

David A. Bandel
-- 
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            - Nemesis Air Racing Team motto