check your relay-domains configuration at
/etc/postfix/
your main.cf and check the path of relay domains


--- Manny Amador <[EMAIL PROTECTED]> wrote:

> Hi all! Can anyone help me out with some Postfix
> problems.
> 
> I'm setting up an email server using Postfix and the
> ipop3 program
> with Red Hat 9. I can send and receive mail on the
> local machine (to
> anywhere, from anywhere), and other users on the
> local network can use
> the SMTP to send to other users in the same domain.
> The problem is
> that other users on the local network CANNOT send
> mail to other domains.
> 
> In other words, how do I allow users on the local
> network to use my
> SMTP to send mail to other addresses outside of my
> server's domain
> while still not having my server act as an open
> relay?
> 
> Background: I've already specified the following
> changes in the stock
> /etc/postfix/main.cf:
> 
>    mynetworks_style = subnet
>    mydestination = $myhostname, localhost.$mydomain
> localhost $mydomain
> 
> In /etc/postfix/master.cf I've only made this
> change:
> 
>    smtp    inet    n       -       n       -       -
>       smtpd
> 
> Other than that, the config files are plain old
> stock from Postfix
> 1.1.12-1. Any suggestions? We're using a GlobeDSL
> connection.
> Therefore, there's some NAT going on that maps the
> public IP to the
> private IP.
> 
> Any help would be appreciated!
> --
> Philippine Linux Users' Group (PLUG) Mailing List
> [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph)
> Official Website: http://plug.linux.org.ph
> Searchable Archives: http://marc.free.net.ph
> .
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> .
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> to
>
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> 



                
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