On 13 Oct 2011, at 23:37, Michel Bulgado <mic...@casa.co.cu> wrote:

> Hello
> 
> Recently I've been doing modifications to my internal server smtp mail, so to 
> authenticate e-mails that are sent
> 
> The authentication mechanism I used is explained in the postfix site, very 
> simple:
> 
> http://www.postfix.org/SASL_README.html # server_dovecot
> 
> All outgoing emails are delivered to a server that acts as mx server and in 
> turn this same server receives messages and delivers them to the internal 
> server with the new SASL authentication mechanism.
> 
> My problem is the internal server rejects messages coming from the server mx.
> 
> Oct 13 18:11:58 legolas postfix/smtp[26982]: 210081CEAAE: to=<p...@home.com>, 
> relay=192.168.1.1[192.168.1.1]:25, delay=2.7, delays=1.6/0/0/1.1, dsn=5.7.1, 
> status=bounced (host 192.168.1.1[192.168.1.1] said: 554 5.7.1 
> <c39...@gmail.com>: Sender address rejected: Access denied (in reply to RCPT 
> TO command))

So server 192.168.1.1 rejected the Sender address.

> I was wondering if you can implement a white list in postfix, to accept smtp 
> connections from the IP address of my mx server without any authentication.
> 
> 

Unless I'm misunderstanding something, wouldn't that circumvent the 
authentication you just introduced?

Please post logs, postconf -n configs including the both servers. When 
obfuscating please be consistent rather than too enthusiastic.


-- Mark Homoky.

Sent from my iPhone


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