Small SOHO email setup on Rh7.3

From: Stefan Viljoen (rylandeletethis_at_intekom.co.za)
Date: 03/04/04 

Date: Thu, 04 Mar 2004 23:52:59 +0200

Hi all!

I am looking for any info oor good links you might have which will tell me
how or give my pointers in setting up my Rh7.3 server as an email server in
my home for my small local network.

I am new to Linux and have so far got Samba working to communicate with my
Windows machines. I can telnet into the Linux machine from my Windows
machines as well. I have installed Qpopper for POP3 serving, and can telnet
into it as well from my Windows machines. (Telnetting from a Windows
machine to port 110 on the IP address of the Linux machine)

However, I cannot telnet to port 25 (SMTP) port from any Windows machine. I
CAN telnet from the Linux machine itself into localhost:25, and can see
sendmail acknowledging. I can also "mail myself" on the linux machine using
sendmail and then qpopper.

I am assuming that if I can telnet into port 25 from a remote machine, I can
configure for example Outlook on a Windows machine to connect directly to
the IP address of the Linux machine, on port 25, using SMTP, and if I
create a Linux user with the correct name and password sendmail will accept
the SMTP connection on port 25 and send mail from the Windows machine to
Qpopper, which another Windows machine can then download by connecting on
port 110 to Qpopper and POP3'ing the mail off the Linux machine?

Any idea of where I can change my Rh7.3 configuration (/etc somewhere?) to
make the Linux machine accept connections on port 25 over the intranet,
just like port 110 is already accepting connections? Is the key xinetd?

Any faq's / howto's on this "tiny network email" setup under Linux?

Fanx! 

-- 
Stefan Viljoen
Polar Design Solutions
Software Support Technician

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