Re: Configurations for performance

This doesn't yet help with a single huge domain, though. For
that we need
to partition based on the localpart.

On Fri, Mar 30, 2007, Curtis Maurand <curtismaurand.com> said:

> 
>> Can it? Point me to some docs and/or sample
configs. If this can be made
>> to work, then we really would have a single
namespace horizontally
>> scalable setup that we could recommend.
>>   
> 
> look at the transport maps in postfix.
> 
> In my configuration its
> 
> transport_maps = hash:/etc/postfix/transports
> 
> Then my transports file looks like:
> 
> domain1.com            smtp:192.168.1.5:25
> domain2.com            dbmail-lmtp:127.0.0.1:24
> domain3.com            smtp:mailhost.somewhere.com:25
> lists.domain1.com    mailman:
> 
> 
> you get the picture.
> 
> then run postmap hash:/etc/postfix/transports
> 
> I would imagine that a table in mysql would work as
well.  The 
> configuration would look something like:
> 
> transport_maps=mysql:transports.cf
> 
> /etc/postfix/transports.cf
> 
> user=dbuser
> passoword=somepassword
> hosts=192.168.1.10
> dbname=<whatever database you're using>
> select_field=destination
> where_field=domain
> 
> then the table would be:
> 
> create table 'transports' (
> 'domain'   text(120),
> 'destination' text(120),
> UNIQUE KEY 'domain' ('domain')
> ) ENGINE=MyISAM;
> 
> In fact this is the method that dbmail administrator
uses with postfix.
> 
>> Aaron
>>
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>>
>>   
> 
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