Index: apps/app_voicemail.c
===================================================================
--- apps/app_voicemail.c	(revision 48480)
+++ apps/app_voicemail.c	(working copy)
@@ -1728,7 +1728,7 @@
 			} else ast_log(LOG_WARNING, "Cannot allocate the channel for variables substitution\n");
 		} else
 			fprintf(p, "From: Asterisk PBX <%s>\n", who);
-		fprintf(p, "To: %s <%s>\n", vmu->fullname, vmu->email);
+		fprintf(p, "To: \"%s\" <%s>\n", vmu->fullname, vmu->email);
 
 		if (emailsubject) {
 			struct ast_channel *ast = ast_channel_alloc(0);