From c1d57977af3eae723406b3aaff82e7bf16b12d0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Fri, 22 Nov 2019 13:33:05 +0100
Subject: [PATCH] Fix crash if there is no to address for %F

---
 lib/format/format.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/format/format.go b/lib/format/format.go
index a070bc9..53d93aa 100644
--- a/lib/format/format.go
+++ b/lib/format/format.go
@@ -125,7 +125,7 @@ func ParseMessageFormat(
 			addr := msg.Envelope.From[0]
 			var val string
 
-			if addr.Name == accountFromAddress.Name {
+			if addr.Name == accountFromAddress.Name && len(msg.Envelope.To) != 0 {
 				addr = msg.Envelope.To[0]
 			}