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From: sgxing on 18 Jul 2007 22:27
Please help!
I want to send emails to any email address, but I always get relay
access denied error.
Because my server is in internal network, no one can connect to my
smtp server at port 25, but my server can connect to other smtp
servers through NAT.
What is the easy way to configure postfix to do that?
Thanks in advance!

From: vinividivici on 21 Jul 2007 12:03
On Jul 18, 7:27 pm, sgx...(a)gmail.com wrote:
> Please help!
> I want to send emails to any email address, but I always get relay
> access denied error.
> Because my server is in internal network, no one can connect to my
> smtp server at port 25, but my server can connect to other smtp
> servers through NAT.
> What is the easy way to configure postfix to do that?
> Thanks in advance!

i'm new at this but i'll take a stab.. seems there are several issues:
-is incoming smtp traffic allowed to your mail servers smtp port?
some isps and firewalls block smtp ports. usually if you're on a
business grade Internet connection you don't have to worry about this.
-can you post your entire error message and your conf files (minus
your personal info of course)?

From: phree on 2 Aug 2007 13:01
On Sat, 21 Jul 2007 09:03:11 -0700, vinividivici wrote:

> On Jul 18, 7:27 pm, sgx...(a)gmail.com wrote:
>> Please help!
>> I want to send emails to any email address, but I always get relay
>> access denied error.
>> Because my server is in internal network, no one can connect to my smtp
>> server at port 25, but my server can connect to other smtp servers
>> through NAT.
>> What is the easy way to configure postfix to do that? Thanks in
>> advance!
>
> i'm new at this but i'll take a stab.. seems there are several issues:
> -is incoming smtp traffic allowed to your mail servers smtp port? some
> isps and firewalls block smtp ports. usually if you're on a business
> grade Internet connection you don't have to worry about this. -can you
> post your entire error message and your conf files (minus your personal
> info of course)?

Take a look at the option at no-ip.com or DynDns.com, they are free
services and redirect mails were port 25 is blocked. Worth a try.
From: ivakras1 on 3 Aug 2007 01:27
On 19 , 06:27, sgx...(a)gmail.com wrote:
> Please help!
> I want to send emails to any email address, but I always get relay
> access denied error.
> Because my server is in internal network, no one can connect to my
> smtp server at port 25, but my server can connect to other smtp
> servers through NAT.
> What is the easy way to configure postfix to do that?
> Thanks in advance!

relay access denied error is a result of incorrect mynetworks
parameter in main.cf. smtp server does not allow to relay mail from
sources,not listed in mynetworks.
you may ask your system administrator to nat incoming tcp\25 on nat-
server to your smtp in lan behind the nat.

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