X-Hz (mail from Hertz), X-Proofpoint (Proofpoint antivirus/anti-spam)
and X-RIM (Research In Motion).
+2008-06-29 Jeffrey C Honig <jch@honig.net>
+
+ * mh-e.el (mh-invisible-header-fields-internal): Add invisible
+ header fields for X-Hz (mail from Hertz), X-Proofpoint (Proofpoint
+ antivirus/anti-spam) and X-RIM (Research In Motion).
+
2008-06-20 Stephen Eglen <stephen@gnu.org>
* mh-show.el (mh-defun-show-buffer): Use `...' rather than than
"X-HPL-"
"X-HR-"
"X-HTTP-UserAgent:"
+ "X-Hz" ; Hertz
"X-Identity:" ; http://www.declude.com/x-note.htm
"X-Image-URL:"
"X-IMAP:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-PMX-Version:"
"X-Postfilter:"
"X-Priority:" ; MS Outlook
+ "X-Proofpoint-" ; Proofpoint mail filter
"X-Provags-ID:"
"X-PSTN-"
"X-Qotd-" ; User added
"X-Request-"
"X-Resolved-to:" ; fastmail.fm
"X-Return-Path-Hint:" ; Roving ConstantContact
+ "X-RIM-" ; Research In Motion (i.e. BlackBerry)
"X-RM"
"X-RocketYMMF:" ; Yahoo
"X-Roving-" ; Roving ConstantContact