>>the 'Smart-host' setting and it gets a domain name. Then
>>sendmail will talk to the DNS server and ask for the MX entry, to get the
IP
>>address of the mail server for that domain.
So..._this_ is how my server is managing to locate the my company's Email
Server and forward mails from the Linux Server to my company email server..
And I thought it was some _ghost_ :)
PS: Where can I find/locate this "smart host" setting? which .conf file?
Cheers, .^.
Mun Heng, Ow /V\
H/M Engineering /( )\
Western Digital M'sia ^^-^^
DID : 03-7870 5168 The Linux Advocate
-----Original Message-----
From: Gregory L. Hering [mailto:glhering@xxxxxxxxxxx]
Sent: Sunday, October 12, 2003 1:14 AM
To: shrike-list@xxxxxxxxxx
Subject: Re: Mail Server without domain name (Mike Burger)
Sending mail is a bit harder than receiving mail.
To receive mail you just connect directly to the POP3 mail server and pull
your mail down or the IMAP server and read or move you mail around
(Squirrelmail is great for this). You can even telnet to a POP3 server and
read your mail by talking POP3 lingo to in.
You can connect directly to an SMTP server and talk SMTP to it, but it's a
little harder and that's not what you are looking for, I don't think. When
you configure 'sendmail' on your box you have to tell it where to send the
mail TO, usually the 'Smart-host' setting and it gets a domain name. Then
sendmail will talk to the DNS server and ask for the MX entry, to get the IP
address of the mail server for that domain. I have always just used my ISP
for that, because I didn't want to set up DNS internally with a fake domain
and fake MX entry. Since I've never done what you are doing some of this
might be a bit off, but correct for the setups I've done.
HTH,
Greg
----- Original Message -----
> Date: Sat, 11 Oct 2003 10:23:25 -0500 (EST)
> From: Mike Burger <mburger@xxxxxxxxxxxxxxxxx>
> To: shrike-list@xxxxxxxxxx
> Subject: Re: Mail Server without domain name
> Reply-To: shrike-list@xxxxxxxxxx
>
> On Sat, 11 Oct 2003, David Smith wrote:
>
> > Hello List
> >
> > I want to learn how to set up a complete mail server.
> >
> > So I started trying to setup the smtp and pop3 services and I found it
easy at first.
> >
> > The real question is: Can I have a mail server even if I don't have a
domain name??
> >
> > I started trying to retrive mail using a pop3 client installed in my
machine and everything ok.
> >
> > Then I did the same but from a client like eudora or outlook in a
computer (pop3) somewhere in internet and I
> > used as pop3 server name my IP address and it worked.
> >
> > After what I tried to send mail to accounts in other servers and It
didn't worked.
> >
> > I really at last, install IMP the Horde IMAP Client as a web interface
and also let my users use the SMTP and
> > POP3 services..
> >
> > I've found many tutorials, manual and guides on configuring a mail
server on linux and especially in redhat9,
> > my distribution, but all of them are based on domain names and I don't
have one.
> >
> > I've tried follow these tutorial "replacing" every domain ocurrence for
my IP address but it didn't work.
> >
> > Is it possible to configure everything nedded without a domain name ?
>
> Yes...just give your system a name (fictitious is ok), arbitrarily. The
> mailserver will need to have some sort of domain name, even if it's not
> necessarily valid to the rest of the world.
>
> --
> Mike Burger
> http://www.bubbanfriends.org
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