ISubject 1 [New%20subject]%20addpart%20chgsub%20delhdr%20chghdr%20delallhdrs%20chgsender%20addrcpt%20delrcpt%20addhdr%20smquarantine%20quarantine
JX-Delete-Me 1
IX-Change-Me 1 You%20are%20changed!
JX-Delete-Us-All 2
JX-Delete-Us-All 1
f<changed_sender@example.org>
R<foobarbaz_added@example.org>
S<bar@example.com>
HX-Added I%20am%20new!
QYou%20are%20evil%20and%20bad%20so%20I%20am%20quarantining%20you
Mmultipart/mixed;%20boundary=%22foo%22
C
F
