> On Jun 2, 2016, at 12:04 PM, Rob Maidment <rmaidm...@gmail.com> wrote: > > I have a content filter that needs to ensure certain messages are > relayed to a specific nexthop MTA, based on the message content. How > can the content filter influence how the message is routed?
That's what content filters do. They preempt the routing of messages by recipient domain, and route all the recipients to the selected transport:nexthop. FILTER smtp-or-clone:[nexthop-host.example.net] FILTER smtp-or-clone:nexthop-domain.example -- Viktor.