$OpenBSD: patch-src_smtp_h,v 1.1 2003/01/17 12:04:28 couderc Exp $
--- src/smtp.h.orig	Fri Jan 17 13:33:49 2003
+++ src/smtp.h	Fri Jan 17 13:34:33 2003
@@ -36,7 +36,9 @@ typedef struct _SMTPSession	SMTPSession;
 
 #define SMTP_SESSION(obj)	((SMTPSession *)obj)
 
-#define MSGBUFSIZE		8192
+#ifndef MSGBUFSIZE
+#  define MSGBUFSIZE		8192
+#endif
 
 #define	SM_OK			0
 #define	SM_ERROR		128
