$OpenBSD: patch-src_common_smtp_h,v 1.2 2003/07/04 13:06:12 wilfried Exp $
--- src/common/smtp.h.orig	Thu May 29 04:24:00 2003
+++ src/common/smtp.h	Thu May 29 04:24:17 2003
@@ -32,7 +32,9 @@ typedef struct _SMTPSession	SMTPSession;
 
 #define SMTP_SESSION(obj)	((SMTPSession *)obj)
 
-#define MSGBUFSIZE		8192
+#ifndef MSGBUFSIZE
+#  define MSGBUFSIZE		8192
+#endif
 
 typedef enum
 {
