On Fri, Mar 18, 2016 at 09:05:51AM -0500, Noel Jones wrote: > On 3/18/2016 6:20 AM, Istvan Prosinger wrote: > > Hello Everyone! > > > > I need to insert something like > > > > X-MY-ID-some-unique-ID > > > > into each email's header for local tracking purposes.
Why a separate header, why not just: enable_long_queue_ids = yes and use the queue ID that's already in your top Received: header? (Legacy note: that option was introduced in the now-EOL Postfix version 2.9. If you're not on 2.10 or later you should be.) > > The unique ID doesn't have to be some complicated hash, it can be > > something like the <message-id>+<date> or <date><time> ... which > > would be mostly unique. > > > > Any ideas if such a thing could be done with just prepending in > > header checks, without external filtering? > > > > You can't do this with postfix alone. > You would not need a full external filter, but you could use a > policy service or a tcp table, either of which are fairly simple and > lightweight. > > Or you could just use the Message-ID as your mostly-unique identifier. -- http://rob0.nodns4.us/ Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:
