@@ -1202,9 +1202,10 @@ messageExport(message *m, const char *dir, void *(*create)(void), void (*destroy

 			} else

 				/*

 				 * Some virus attachments don't say how they've

-				 * been encoded. We assume base64

+				 * been encoded. We assume base64.

+				 * RFC says encoding should be 7-bit.

 				 */

-				messageSetEncoding(m, "base64");

+				messageSetEncoding(m, "7-bit");

 		}

 #endif