On Tue, Jan 3, 2012 at 10:16 AM, Thomas Gries mail@tgries.de wrote:
See also
http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/UserMailer.p... and change line 195 $headers['X-Mailer']='MediaWiki mailer'; to something else
I don't see any reason to change that; X-Mailer is a low-level header which says things like "Outlook", and we would expect it to say the low-level software used if it's there at all. Users will never see it unless they go picking at the raw headers of the mail.
-- brion