Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.420 (Entity 5.420) RT-Send-CC: X-RT-Original-Encoding: iso-8859-1 Content-Length: 146 On purpose to fix the problem in the subject line, just make sure that the tools behavied consistantly. I have no comment about the readablity.