switching from dual queue to single queue with postfix

Drew Marshall drew at themarshalls.co.uk
Tue Jan 24 02:22:26 GMT 2006

On 24 Jan 2006, at 01:34, Harondel J. Sibble wrote:

> I remember there being a MAQ entry for switching from dual queue to  
> single
> queue mode with postfix, however I can't seem to find that info.
> I have found the instructions for setting up the single queue  
> method for a
> new install, but not for migrating.  I remember there was lot of  
> discussion
> on the list when this new method came about but so far so I haven't  
> found the
> answer I need at the searchable list archives in gmane, can someone  
> point me
> in the right direction?

It's fairly simple really.

Stop the incoming Postfix instance
Check mailq to ensure all the mail has been cleared from the mail queue.
Then stop Postfix.in and MailScanner
Set up your current postfix directory in line with the set up docs  
(Pay attention to any smtpd_ lines you have in /postfix.in/main.cf  
and make sure you have copied them over)
Amend MailScanner.conf as per the instructions
When you are happy, fire up just the new Postfix single instance and  
put a test message through to ensure it's being held correctly, then  
fire up MailScanner.

I don't think I have missed anything but it's been a wile since I  
have played with a dual set up :-)


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