On 8/15/2011 9:30 AM, Jerico2day wrote: > Hey all, I'm wondering how best I can change the message ID in the > header of emails. I use Zarafa 7x on an internal machine and I don't > believe there is a way to change the header easily with that software. > > Here's an example from my email headers > > Message-Id: <zarafa.4e46e3b1.34ed.5958f4b758a6c...@my.domain.com> > > The problem is, is that "my.domain.com" is an internal server that > sends mail to a relay server. I don't want people really seeing my > internal domain or IP. I was able to change other parts of the header > to remove my local address using header_checks. > > I'd like to have postfix dynamically change "my.domain.com" only on > Message-Id header to some arbitrary domain that would be > public-facing for all outgoing mail and change it back for incoming > mail. > > Unfortunately, I'm not quite sure how to do that. I would appreciate > any assistance. > > Thanks!
You can mangle an existing Message-ID with the REPLACE action just like any other header. Maybe your mail arrives without a message-id, so there isn't one there to mangle. Postfix will insert a message-id if there isn't one, and header_checks won't see the generated header. -- Noel Jones
