$OpenBSD: patch-src_common_defs_h,v 1.2 2013/09/25 08:03:14 landry Exp $
http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2642
--- src/common/defs.h.orig	Tue Mar 19 02:31:04 2013
+++ src/common/defs.h	Sun Sep 22 23:00:04 2013
@@ -146,6 +146,9 @@
 
 #define BUFFSIZE			8192
 
+/* according to RFC 821 1000 characters including CRLF */
+#define MAXSMTPTEXTLEN			1000
+
 #ifndef MAXPATHLEN
 #  define MAXPATHLEN			4095
 #endif
