diff -urN src.orig/include/spf.h src/include/spf.h
--- src.orig/include/spf.h	Thu Feb 17 02:56:55 2005
+++ src/include/spf.h	Fri Jun 20 10:17:43 2008
@@ -51,9 +51,9 @@
 /* ********************************************************************* */
 
 /* FYI only -- defaults can't be changed without recompiling the library */
-#define SPF_DEFAULT_MAX_DNS_MECH 10	/* DoS limit on SPF mechanisms	*/
-#define SPF_DEFAULT_MAX_DNS_PTR	  5	/* DoS limit on PTR records	*/
-#define SPF_DEFAULT_MAX_DNS_MX	  5	/* DoS limit on MX records	*/
+#define SPF_DEFAULT_MAX_DNS_MECH  64	/* DoS limit on SPF mechanisms	*/
+#define SPF_DEFAULT_MAX_DNS_PTR	  10	/* DoS limit on PTR records	*/
+#define SPF_DEFAULT_MAX_DNS_MX	  64	/* DoS limit on MX records	*/
 #define SPF_DEFAULT_SANITIZE	  1
 #define SPF_DEFAULT_WHITELIST	  "include:spf.trusted-forwarder.org"
 #define SPF_EXP_MOD_NAME	"exp-text"
diff -urN src.orig/include/spf_internal.h src/include/spf_internal.h
--- src.orig/include/spf_internal.h	Thu Feb 24 06:10:49 2005
+++ src/include/spf_internal.h	Fri Jun 20 10:17:17 2008
@@ -51,19 +51,19 @@
  * your system caused by many DNS lookups, you might not even notice
  * that you are being used as part of a DDoS attack.
  */
-#define SPF_MAX_DNS_MECH 10
+#define SPF_MAX_DNS_MECH 64
 #endif
 #ifndef SPF_MAX_DNS_PTR
 /* It is a bad idea to change this for the same reasons as mentioned
  * above for SPF_MAX_DNS_MECH
  */
-#define SPF_MAX_DNS_PTR   5
+#define SPF_MAX_DNS_PTR   10
 #endif
 #ifndef SPF_MAX_DNS_MX
 /* It is a bad idea to change this for the same reasons as mentioned
  * above for SPF_MAX_DNS_MECH
  */
-#define SPF_MAX_DNS_MX    5
+#define SPF_MAX_DNS_MX    64
 #endif
 
 #if 1
diff -urN src.orig/include/spf_server.h src/include/spf_server.h
--- src.orig/include/spf_server.h	Wed Dec 19 15:05:42 2007
+++ src/include/spf_server.h	Fri Jun 20 10:17:54 2008
@@ -37,19 +37,19 @@
  * your system caused by many DNS lookups, you might not even notice
  * that you are being used as part of a DDoS attack.
  */
-#define SPF_MAX_DNS_MECH 10
+#define SPF_MAX_DNS_MECH 64
 #endif
 #ifndef SPF_MAX_DNS_PTR
 /* It is a bad idea to change this for the same reasons as mentioned
  * above for SPF_MAX_DNS_MECH
  */
-#define SPF_MAX_DNS_PTR   5
+#define SPF_MAX_DNS_PTR   10
 #endif
 #ifndef SPF_MAX_DNS_MX
 /* It is a bad idea to change this for the same reasons as mentioned
  * above for SPF_MAX_DNS_MECH
  */
-#define SPF_MAX_DNS_MX    5
+#define SPF_MAX_DNS_MX    64
 #endif
 
 struct SPF_server_struct {