Port 25 not open

Julian Field mailscanner at ecs.soton.ac.uk
Thu Nov 21 18:17:54 GMT 2002


At 18:06 21/11/2002, you wrote:
>2108 root sendmail: accepting connections

That does rather imply that it is listening. The easiest way to check is
         netstat -an | grep 25
or
         netstat -a | grep smtp

>2113 root /usr/sbin/sendmail -q5m
>2122 root /usr/bin/perl -I/usr/lib/MailScanner /usr/sbin/MailScanner
>/etc/Ma
>2125 root /usr/bin/perl -I/usr/lib/MailScanner/usr/sbin/MailScanner
>/etc/Ma
>
>Yes, I can connect to port 25 on the local port. I've verified that I
>modified the sendmail.mc file and rebuilt the cf using M4.
>I've tried commenting it out:
>dnl DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')
>And I've tried using the real ip address in the line
>DAEMON_OPTIONS(`Port=smtp,Addr=192.168.1.25, Name=MTA')
>
>Still can't see the port open.
>
>Any other suggestions? Thanks,
>James
>
>On Thu, 2002-11-21 at 10:46, Antony Stone wrote:
> > On Thursday 21 November 2002 3:43 pm, James Pifer wrote:
> >
> > > We're installing a new server to use in production. I wrote a short list
> > > of steps to install it the exact same way my test servers were setup.
> > > Everything went fine, except port 25 is not open.
> >
> > > -Make sure port 25 is open with ipchains -L
> >
> > What does this command show ?
> >
> > What processes do you see running ?
> >
> > Can you connect to port 25 from the local machine, ie:
> > telnet localhost 25
> >
> > Antony.
> >
> > --
> >
> > All matter in the Universe can be placed into one of two categories:
> >
> > 1. things which need to be fixed
> > 2. things which will need to be fixed once you've had a few minutes to play
> > with them

--
Julian Field                Teaching Systems Manager
jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
Tel. 023 8059 2817          University of Southampton
                             Southampton SO17 1BJ



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