Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.427 (Entity 5.427) RT-Send-CC: X-RT-Original-Encoding: iso-8859-1 Content-Length: 135 Yes, that's an oversight. (The krb5_set_trace_callback API also needs to be exported, and both also need to be added to krb5_32.def.)