what am I missing, getting SMTP to work

Mike Rambour mikey at b2systems.com
Fri Apr 30 17:57:46 UTC 2004


At 04:59 AM 4/30/2004, you wrote:
>Mike Rambour wrote:
> >   I am configuring a new machine and I can't get it to work.  I am
> > using Core1, all the patches and Postfix.  I am trying to use my
> > Linux box as a outgoing mail server from home and not use my ISP's
> > SMTP, I can send mail from the Linux machine but not from my home
> > machines (another Linux for me and Windows for my wife and daughter).
> >
>
>See my inserts below...
>
> >    the output of nmap is (From work to home not the same net) says
> > smtp is Closed but I cant figure out why:
> > PORT   STATE  SERVICE
> > 21/tcp open   ftp
> > 22/tcp open   ssh
> > 25/tcp closed smtp
> > 80/tcp open   http
> >
> >    my iptables looks like this
> > ACCEPT     all  --  anywhere             anywhere           state
> > RELATED,ESTABLISHED
> > ACCEPT     tcp  --  anywhere             anywhere           state NEW
> > tcp dpt:smtp
> > ACCEPT     tcp  --  anywhere             anywhere           state NEW
> > tcp dpt:http
> > ACCEPT     tcp  --  anywhere             anywhere           state NEW
> > tcp dpt:ftp
> > ACCEPT     tcp  --  anywhere             anywhere           state NEW
> > tcp dpt:ssh
> > REJECT     all  --  anywhere             anywhere
> > reject-with icmp-host-prohibi
> >
> >   I am using postfix and ps output says
> > root      1735  0.0  0.4  7140  620 ?        S    Apr14   0:00
> > sendmail: accepting connections
> > smmsp     1744  0.0  0.3  7316  412 ?        S    Apr14   0:00
> > sendmail: Queue runner at 01:00:00 for /var/spool/clientmqueue
>
>Based on the above ps output, your running sendmail, not postfix. Sendmail,
>by default, is configured to only listen on localhost. If your wanting to
>use postfix as your MTA, then please run "redhat-switch-mail" to configure
>the proper links in /etc/alternatives.

    I had already done the switch and rebooted but sendmail was running 
again.  I am going to look into doing the switch manually this time to 
confirm.  I also had already editied main.cf to listen to all devices as a 
test and that did not help.

  Thank you for the help, I will go play some more

         mike





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