#103: removed size=0 hack (why was it in there in the first place??)

Author: bbottema

Diff for: src/main/java/org/simplejavamail/converter/internal/mimemessage/MimeMessageHelper.java

@@ -236,7 +236,7 @@ private static BodyPart getBodyPartFromDatasource(final AttachmentResource attac
 		final String contentType = attachmentResource.getDataSource().getContentType();
 		attachmentPart.setHeader("Content-Type", contentType + "; filename=" + fileName + "; name=" + resourceName);
 		attachmentPart.setHeader("Content-ID", format("<%s>", resourceName));
-		attachmentPart.setDisposition(dispositionType + "; size=0");
+		attachmentPart.setDisposition(dispositionType);
 		return attachmentPart;
 	}