'X-MailScanner-ID' header?

David Lee t.d.lee at durham.ac.uk
Tue Apr 29 10:39:07 IST 2008

Having just done some MS upgrades I saw that emails had gained an extra
header that I hadn't seen before, namely 'X-MailScanner-ID'.

Looking at the source code, it seems to have appeared somewhere between
versions 4.61.7 and 4.66.5 .  But there seems to be no mention of it in
"MailScanner.conf".  Nor did I see it in the ChangeLog.  (Or did I miss
the description?)

Any ideas what this is?  And why it seems to be added unconditionally?

Also, shouldn't it be tailorable?  If a long-haul email passes through two
or more MS sites (i.e. different "%org-name%") and each perhaps with two
or more MS installations within it, might it not be best to let it be
tailorable (as most other 'X-MailScanner' variables), defaulting to (say)

Julian: Could you briefly fill in the background, please?  Thanks.


:  David Lee                                I.T. Service          :
:  Senior Systems Programmer                Computer Centre       :
:  UNIX Team Leader                         Durham University     :
:                                           South Road            :
:  http://www.dur.ac.uk/t.d.lee/            Durham DH1 3LE        :
:  Phone: +44 191 334 2752                  U.K.                  :

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