RW <rwmailli...@googlemail.com> writes: > On Wed, 6 Dec 2017 06:29:01 -0500 > Kevin A. McGrail wrote: > >> I've added these rules to KAM.cf and would appreciate feedback. >> >> #MAILSPLOIT CONTROL CHARACTER - Thanks to Jan-Pieter Cornet for the >> idea #NUL >> header __KAM_MAILSPLOIT1 From =~ /[\0]/ >> describe __KAM_MAILSPLOIT1 RFC2047 Exploit > > Note that this may be a bit dangerous without "normalize_charset 1" > which causes text to be transcoded to UTF-8. In UTF-16 in particular > all ASCII characters encode with a zero byte. Even with normalization > there may be some headers that don't transcode properly. > > I've never seen a from header encoded in UTF-16, but then I don't get > much mail in Asian languages.
Do most people have 'normalize_charset 1' set? I noticed I do not have it set, and I'm wondering if I should turn it on, and if I do, how it will affect things. micah ps. also there is this: https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7022