Re: Routing mails based on mail size
- On 4/2/2012 7:53 AM, niket joshi wrote:
> Hi,Seems the solution is to change your MX records.
> In our setup we have mail firewall which receives all the emails
> from Internet. We have 4 MX's and we have pointed all the MX IP's on
> firewall with equal preference.
> We then NAT packets from mail firewall to Ironport which handles
> Spam Filtering and delivers mails to mail cluster for delivery. On
> Ironport all mails from mx1 goes to Ironport1, mx2 to Ironport 2 and
> so on until MX4.
> The problem we are facing here is that all mails come to Ironport1
> as mx1 is pointed to this IP and MX is cached by global MTA's. We
> receive 75 mails in 10 seconds on our first Ironport whereas all
> other Ironports are idle.
> So we decided to route mails based on mail size before mails go toNot natively. You might be able to cobble something together using
> Ironport. Does anyone have idea of how to do mail routing based on
> mail size using postfix.
an external policy service that returns "FILTER
transport:destination" based on size.
-- Noel Jones