On 2018-01-20, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: >> On Jan 19, 2018, at 6:10 PM, Grant Edwards <grant.b.edwa...@gmail.com> wrote: >> >>> Note that with my suggestion to override "default_transport" not only the >>> original messages, but also any bounces or delay notifications go out via >>> the same transport. >> >> Ah. That's a problem. I would need the special pipe transport to be >> used for everything _except_ bounce/delay notifications. > > You have two possible solutions: > > 1. Use sender_dependent_default_transport_maps with regexp tables > to direct all non-empty sender domains to the special outbound > transport. > > 2. Use "content_filter" to direct all email via the outbound transport, > with "default_transport = smtp" as usuaul, as internally generated > messages are not subject to content_filter. > > The difference between 1 and 2 is that 1 will have specially handling > for all email with a non-emtpy sender address, while 2 will have > special handling for all email that originates outside of Postfix.
Cool, thanks for the clues. -- Grant
