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Old 21st March 2009, 23:16
roadster roadster is offline
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Join Date: Apr 2007
Location: UK
Posts: 18
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Default Postfix: Using wrong host name

After over a year of trouble free operation I ran into a problem today.

I needed to change the server name / host name of the machine and did this in the usual places - /etc/hostname, /etc/hosts, /home/admispconfig/ispconfig/lib/ and /root/ispconfig/httpd/conf/httpd.conf

This change was also reflected in ISPConfig|Management|Server|Settings

Now, Postfix still seems to be trying to use the old hostname. I added the new details in /etc/postfix/ (I didn't need them there for the old host name) and reloaded postfix (even did a server restart)

postconf - d correctly lists the new host but postconf -n lists the old

When mail comes in Postfix is trying to map messages to instead of and the Postfix banner still refers to the old host name.

As Postfix was attempting to resolve the old host name (no longer listed in DNS) it was just delaying and queuing mail. I've had to do a temporary workaround of adding to /etc/local-host-names to keep mail flowing.

I can't figure out where Postfix is pulling the old setting from and why changes made in aren't being processed.

Any ideas guys?

Many thanks in anticipation .....
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