Author: Jeremy Harris Date: To: exim-users @ exim. org Subject: Re: [exim] Retaining message IDs through transport filters
Steve Hill wrote: > Is there any way to pipe a message through an external command, and then
> continue on to process the message that's produced on the command's
> stdout as if it were the same message rather than having to re-transmit
> the command's output as an entirely new message?
As a workaround, you could look into "exilog" which can track a
message across multiple exim IDs (both on a single machine and
across machines).
It works by chomping the exim logs into a database, so isn't
particularly cheap to run.