On Fri, Feb 07, 2014 at 11:24:22AM +0000, 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 target can also be an MX RRset. -- Viktor.