Re: simple exim configuration

[Paul Scott <paslist@ultrasw.com>]

Paul Scott wrote:

> David H. Clymer wrote:
>
> > > Ah.  This is one of those areas I haven't quite got down:  How do I 
> > > tell who's listening to port 25?  Do you have any suggestions as to 
> > > what to   
> >
> >
> > you could try: lsof -i TCP:25
> >  
> That gives me:
>
> inetd   243 root   11u  IPv4 477720       TCP *:smtp (LISTEN)
>
> What program/daemon is listening?
>
> I believe that this means that inetd is listening. I'm no guru, so those
> that know better, please correct me, but I believe that inetd monitors
> the ports specified in its configuration file (/etc/inetd.conf) and,
> using the same config file, depending on the port, and type of
> connection, starts whatever program is also specified in that file to
> handle it.

> my /etc/inetd.conf file has the following line which tells inetd how to
> handle smtp connections (the service names on the left are mapped to the
> correct port using the /etc/services file, i believe).
> #:MAIL: Mail, news and uucp services.
> smtp            stream  tcp     nowait  mail    /usr/sbin/exim exim -bs

Thanks so much!  my /etc/inetd.conf has the same line.  I'll see how far 
I can get from there.

Paul