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RE: [K12OSN] OT...but I need help with postfix



Thank you SO much :-)

I vaguely remembered something about that, but couldn't, for the life of
me, remember where to look.

It is working perfectly now.

Doug Gough

> -----Original Message-----
> From: k12osn-bounces redhat com 
> [mailto:k12osn-bounces redhat com] On Behalf Of Terrell Prude', Jr.
> Sent: June 18, 2004 1:28 PM
> To: Support list for opensource software in schools.
> Subject: Re: [K12OSN] OT...but I need help with postfix
> 
> 
> Ah...then perhaps it's the "inet_interfaces" setting.  Check 
> out what's 
> in your main.cf (mine's in /etc/postfix/) and see if that parameter's 
> there.  It may be that there's a "default" setting in there 
> that doesn't 
> correspond to the IP address your server actually uses.  It 
> might be set 
> for "localhost" only, which will allow only localhost (127.0.0.1) to 
> connect to Postfix.  This is what OpenBSD does with its sendmail 
> configuration to keep intruders out, and I think Red Hat's sendmail 
> config is similar; at least, it was back in the day.
> 
> --TP
> 
> Doug Gough wrote:
> 
> >Postfix is running, and I can send messages internally. As 
> well, I can 
> >send messages from this server to other domains on the 
> internet. Port 
> >25 is open on the firewall, but there is no port 25 listed 
> when I do a 
> >portscan with Nmap from the server itself.  In otherwords, I 
> log on to 
> >the server locally, and use Nmap to portscan the server's address 
> >(192.168.1.230). There simply seems to be no port 25 on my system. I 
> >don't know how to add it or enable it or whatever.
> >
> >Thanks,
> >
> >Doug Gough
> >
> >  
> >
> >>-----Original Message-----
> >>From: k12osn-bounces redhat com
> >>[mailto:k12osn-bounces redhat com] On Behalf Of Terrell Prude', Jr.
> >>Sent: June 18, 2004 1:14 PM
> >>To: Support list for opensource software in schools.
> >>Subject: Re: [K12OSN] OT...but I need help with postfix
> >>
> >>
> >>Methinks you likely don't have Postfix started up.  All SMTP
> >>daemons run 
> >>on TCP 25 if they want to talk to anyone else.  Check your process 
> >>listing (ps ax) and see if you see something like this:
> >>
> >>   15765 ?        S      5:03 /usr/libexec/postfix/master
> >>
> >>If you don't, then you need to start up Postfix ("man 
> postfix" should
> >>give you what you need).
> >>
> >>--TP
> >>
> >>Doug Gough wrote:
> >>
> >>    
> >>
> >>>I can't find any answer to this question anywhere else, so
> >>>      
> >>>
> >>I'm hoping
> >>    
> >>
> >>>someone here has some ideas. I run Mandrake 10 as a general purpose
> >>>server at my school. I've installed Postfix, and it won't 
> >>>      
> >>>
> >>receive mail
> >>>from outside. When I run Nmap, it tells me that there is 
> no Port 25.
> >>    
> >>
> >>>Port 25 is listed in /etc/services so what's going on? Port 25 is
> >>>opened on the firewall as well, but it's just not there on 
> >>>      
> >>>
> >>the system.
> >>    
> >>
> >>>Thanks,
> >>>
> >>>Doug Gough
> >>>      
> >>>
> 
> 
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