On Thu, 2 Jun 2016, Wolfgang Breyha wrote:
> Wolfgang Breyha wrote on 02/06/16 16:38:
>> I use
>> warn hosts = *
>> control = submission/sender_retain
>> in many acl_smtp_mail ACLs since 4.61 at least and they all got/get logged in
>> the "<=" line. I assume you use the control verb at a later ACL?
>
> Sorry, my fault. You're right. The host generating the Message-ID Header does
> not log it as "id=...", only as $exim_message_id which is the unique part of
> the generated Message-ID:. Usually this is sufficient to track an email.
Agreed.
In fifteen years as postmaster on an exim domain I've always found the
(internal) message id immediately after the date on each log line sufficient.
It is only through this thread that I've discovered that the
message id from the previous MTA is also available in the <= line.
--
Andrew C Aitchison