Re: Postfix doubling up as SMTP load balancer

2014-02-07 Thread Mike
In $PREVIOUSJOB, we had a number of internet facing SMTP machines, which looked up accounts/mailboxes/transport maps etc from MySQL; all changes were done on a master database on a separate machine, and synced out with MySQL replication to all of the SMTP machines. This way we could take any single

Re: Postfix doubling up as SMTP load balancer

2014-02-07 Thread Len Conrad
>I have an email receiving setup with one Postfix instance mapped to one >instance of Amavisd-new (spamassassin, ClamAV), > >Now to prepare for increasing traffic, I am looking on to scale out strategies >of my setup. > >So with that in mind, is it possible that one instance of Postfix can itse

Re: Postfix doubling up as SMTP load balancer

2014-02-07 Thread Viktor Dukhovni
On Fri, Feb 07, 2014 at 11:24:22AM +, Sharma, Ashish wrote: > In essence can postfix work as an SMTP load balancer ? Yes. Either pre-queue with smtpd_proxy_filter or post-queue with content_filter. In either case the filter host can be a multi-homed SMTP service. With content_filter the ta