Our application already inserts the custom header into the email. If we can get
postfix to log the custom private ID, then the goal is to schedule another
application once a day to grab the archived mail log and parse the information
out so we can match up our private msg ID with postfix's msg I
I was hoping someone would have experience in what I need to do. Our servers
send emails to our postfix servers and include a custom header that the value
is referenced in one of our databases. This concerns outgoing email only.
Example of custom header inserted into the emails:
X-Info-MessageI