diff -urN dspam-3.6.3.org/src/mysql_drv.c dspam-3.6.3/src/mysql_drv.c
--- dspam-3.6.3.org/src/mysql_drv.c	2006-01-18 17:48:53.000000000 +0100
+++ dspam-3.6.3/src/mysql_drv.c	2006-02-01 21:23:06.000000000 +0100
@@ -67,6 +67,8 @@
 #include "config_shared.h"
 #endif
 
+static int use_mysql40 = 0;
+
 int test(MYSQL *, char *);
 
 int test(MYSQL *dbh, char *query) {
@@ -80,10 +82,20 @@
 int
 dspam_init_driver (DRIVER_CTX *DTX) 
 {
+
 #if defined(MYSQL4_INITIALIZATION) && MYSQL_VERSION_ID >= 40001
   const char *server_default_groups[]=
   { "server", "embedded", "mysql_SERVER", 0 };
+#endif
+  
+  if (DTX == NULL)
+    return 0;
+    
+#if defined(MYSQL4_INITIALIZATION) && MYSQL_VERSION_ID >= 40001
+  if (_ds_match_attribute(DTX->CTX->config->attributes, "MySQLVersion40", "on"))
+    use_mysql40 = 1;
 
+  if (!use_mysql40)  
   if (mysql_server_init(0, NULL, (char**) server_default_groups)) {
     LOGDEBUG("dspam_init_driver() failed");
     return EFAILURE;
@@ -148,6 +160,7 @@
   }
 
 #if defined(MYSQL4_INITIALIZATION) && MYSQL_VERSION_ID >= 40001
+  if (!use_mysql40)
   mysql_server_end();
 #endif
   return 0;
@@ -610,6 +623,7 @@
   }
 
 #if MYSQL_VERSION_ID >= 40100
+  if (!use_mysql40) {
   insert = buffer_create(NULL);
   if (insert == NULL)
   {
@@ -617,6 +631,7 @@
     LOG (LOG_CRIT, ERR_MEM_ALLOC);
     return EUNKNOWN;
   }
+  }
 #endif
 
   ds_diction_getstat(diction, s->control_token, &control);
@@ -633,6 +648,7 @@
   buffer_cat (query, scratch);
 
 #if MYSQL_VERSION_ID >= 40100
+  if (!use_mysql40)
   buffer_copy (insert, "insert into dspam_token_data(uid, token, spam_hits, "
                        "innocent_hits, last_hit) values");
 #endif
@@ -679,6 +695,7 @@
     {
       char ins[1024];
 #if MYSQL_VERSION_ID >= 40100
+      if (!use_mysql40) {
       snprintf (ins, sizeof (ins),
                 "%s(%d, '%llu', %d, %d, current_date())",
                  (insert_any) ? ", " : "",
@@ -689,6 +706,7 @@
 
       insert_any = 1;
       buffer_cat(insert, ins);
+      } else {
 #else
       snprintf(ins, sizeof (ins),
                "insert into dspam_token_data(uid, token, spam_hits, "
@@ -702,6 +720,9 @@
       if (MYSQL_RUN_QUERY (s->dbh, ins))
         stat.status |= TST_DISK;
 #endif
+#if MYSQL_VERSION_ID >= 40100
+      }
+#endif
     }
 
     if (stat.status & TST_DISK) {
@@ -749,6 +770,7 @@
   }
 
 #if MYSQL_VERSION_ID >= 40100
+  if (!use_mysql40) {
   if (insert_any)
   {
      snprintf (scratch, sizeof (scratch),
@@ -770,6 +792,7 @@
   }
 
   buffer_destroy(insert);
+  }
 #endif
 
   buffer_destroy (query);