what am I missing, getting SMTP to work
Jeremy A. Rosengren
jeremy at rosengren.org
Fri Apr 30 19:04:33 UTC 2004
Mike Rambour wrote:
> 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
>
>
# chkconfig sendmail off
# service sendmail stop
Just because you've used redhat-switch-mail to change all the symbolic
links doesn't mean you've "turned off" the service.
-- jeremy
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