diff -u --recursive --new-file afd-1.3.6.old/src/fd/fddefs.h afd-1.3.6/src/fd/fddefs.h
--- afd-1.3.6.old/src/fd/fddefs.h	2007-11-07 11:15:47.000000000 +0100
+++ afd-1.3.6/src/fd/fddefs.h	2008-03-17 20:16:15.000000000 +0100
@@ -49,7 +49,7 @@
                                        /* create the archive directory   */
                                        /* this is set.                   */
 #ifndef MAX_RET_MSG_LENGTH
-# define MAX_RET_MSG_LENGTH      1024
+# define MAX_RET_MSG_LENGTH      4096
 #endif
 #define MAX_FD_DIR_CHECK         152   /* FD should only check the file  */
                                        /* directory if it is less then   */
diff -u --recursive --new-file afd-1.3.6.old/src/protocols/ftpdefs.h afd-1.3.6/src/protocols/ftpdefs.h
--- afd-1.3.6.old/src/protocols/ftpdefs.h	2007-03-23 13:54:16.000000000 +0100
+++ afd-1.3.6/src/protocols/ftpdefs.h	2008-03-17 20:15:51.000000000 +0100
@@ -31,7 +31,7 @@
 #endif
 
 #ifndef MAX_RET_MSG_LENGTH
-# define MAX_RET_MSG_LENGTH       1024
+# define MAX_RET_MSG_LENGTH       4096
 #endif
 #define MAX_DATA_CONNECT_RETRIES  3
 #define DEFAULT_FTP_PORT          21
diff -u --recursive --new-file afd-1.3.6.old/src/protocols/pop3defs.h afd-1.3.6/src/protocols/pop3defs.h
--- afd-1.3.6.old/src/protocols/pop3defs.h	2006-06-19 13:50:40.000000000 +0200
+++ afd-1.3.6/src/protocols/pop3defs.h	2008-03-17 20:16:06.000000000 +0100
@@ -29,7 +29,7 @@
 #define POP3_ERROR              -2
 
 #ifndef MAX_RET_MSG_LENGTH
-# define MAX_RET_MSG_LENGTH     1024
+# define MAX_RET_MSG_LENGTH     4096
 #endif
 
 /* Function prototypes */
diff -u --recursive --new-file afd-1.3.6.old/src/protocols/smtpdefs.h afd-1.3.6/src/protocols/smtpdefs.h
--- afd-1.3.6.old/src/protocols/smtpdefs.h	2005-04-19 08:52:04.000000000 +0200
+++ afd-1.3.6/src/protocols/smtpdefs.h	2008-03-17 20:15:57.000000000 +0100
@@ -24,7 +24,7 @@
 #define DEFAULT_SMTP_PORT       25
 
 #ifndef MAX_RET_MSG_LENGTH
-#define MAX_RET_MSG_LENGTH      1024
+#define MAX_RET_MSG_LENGTH      4096
 #endif
 #define MAX_CONTENT_TYPE_LENGTH 25