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Topic: DMZ Postfix Rejects mails from internal servers:RCPT from unknown

==== Required information ====
- iRedMail version: 0.8.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mySQL
- Linux/BSD distribution name and version: Debian Squeeze
- Related log if you're reporting an issue:
====

Hi All,

I have a Roundcube running in a DMZ (192.168.3.X/24)
This is a local mailserver which sends via an external MX (responsible for domain 'example.com')
The local domain is 'mail5.mytown.example.com' which is only a local domain

The internal network is (192.168.1.X/24) ('mytown.example.com')
All works fine sofar (sending and receiving mail)

But now I want to use logwatch together with nullmailer to send logs from the fileserver.
This causes an error in mail.log
NOQUEUE: reject: RCPT from unknown[fileserver's IP]: 450

I tried to add the internal network to the mynetworks in postfix's main.cf with no success

Any suggestions?

Marcovaldo




NOQUEUE: reject: RCPT from unknown[74.53.59.133]: 450

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Re: DMZ Postfix Rejects mails from internal servers:RCPT from unknown

At least preliminary fixed by
# creating a user on iRedMail for the root of the fileserver
# using this in /etc/mailname


But this is an unelegant work around only...

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Re: DMZ Postfix Rejects mails from internal servers:RCPT from unknown

marcovaldo wrote:

NOQUEUE: reject: RCPT from unknown[fileserver's IP]: 450

Please paste the full log, you omitted the most import error log in this line, we cannot understand why Postfix rejected this email.