Hello.
I'm facing with a strange behaviour of my Postfix multi-instance server and
I'll try. to explain.
Every instance manages outbound emails from a specific IP. This is an
example master.cf:
---------------------- /etc/postfix/master.cf (instance
1)--------------------------
smtp unix - - n - - smtp
-o syslog_name=postfix-smtp79
-o smtp_helo_name=mx1.kkkkk.com
-o smtp_bind_address=xxx.yyy.zzz.79
----------------------------- END
-------------------------------------------------------------
---------------------- /etc/postfix-1/master.cf (instance
2)--------------------------
smtp unix - - n - - smtp
-o syslog_name=postfix-smtp80
-o smtp_helo_name=mx2.kkkkk.com
-o smtp_bind_address=xxx.yyy.zzz.80
----------------------------- END
-------------------------------------------------------------
In other words:
if web client (a web application) connects to xxx.yyy.zzz.79 => emails are
sent through xxx.yyy.zzz.79 (instance 1),
if it connects to xxx.yyy.zzz.80 => emails are sent through xxx.yyy.zzz.80
(instance 2),
and so on.
Everything worked properly, I thought! Until I discovered some complaints
messages from Yahoo that say:
421 4.7.0 [TS01] Messages from xxx.yyy.zzz.79 temporarily deferred due to
user complaints <-- from INSTANCE 1 IP address
BUT I sent messages through xxx.yyy.zzz.80 that is IP address of instance
(2)!!!.
Where can I pay attention in main/master.cf of the instances to understand
where is the problem?
Hoping to have been clear :) many thanks for your help.
-Francesco
---
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http://www.avast.com
