Patch by Zarafa <http://www.zarafa.com/> - which allows non-RFC '7-bit' and '8-bit' encodings in the
Content-Transfer-Encoding headers.

--- libvmime-0.7.1/src/encoderFactory.cpp				2010-05-09 22:32:19.000000000 +0200
+++ libvmime-0.7.1/src/encoderFactory.cpp.allow-alternate-encodings	2010-05-09 22:32:47.000000000 +0200
@@ -40,7 +40,9 @@
 	registerName <encoderQP>("bmoted-printable");
 	registerName <encoderUUE>("uuencode");
 	registerName <encoder7bit>("7bit");
+	registerName <encoder7bit>("7-bit");
 	registerName <encoder8bit>("8bit");
+	registerName <encoder8bit>("8-bit");
 	registerName <encoderBinary>("binary");
 }