diff --git a/mail/postfix/snapshot/patches/patch-makedefs b/mail/postfix/snapshot/patches/patch-makedefs
new file mode 100644
index 00000000000..2f04bd68f68
--- /dev/null
+++ b/mail/postfix/snapshot/patches/patch-makedefs
@@ -0,0 +1,11 @@
+--- makedefs.orig	Tue Feb 20 01:18:32 2001
++++ makedefs	Sat Sep 15 00:11:58 2001
+@@ -93,6 +93,8 @@
+ 		;;
+   OpenBSD.2*)	SYSTYPE=OPENBSD2
+ 		;;
++  OpenBSD.3*)   SYSTYPE=OPENBSD3
++		;;
+    NetBSD.1*)	SYSTYPE=NETBSD1
+ 		;;
+    BSD/OS.2*)	SYSTYPE=BSDI2
diff --git a/mail/postfix/snapshot/patches/patch-sys_defs.h b/mail/postfix/snapshot/patches/patch-sys_defs.h
new file mode 100644
index 00000000000..858fe454dab
--- /dev/null
+++ b/mail/postfix/snapshot/patches/patch-sys_defs.h
@@ -0,0 +1,20 @@
+--- sys_defs.h.orig	Sat Sep 15 00:38:11 2001
++++ src/util/sys_defs.h	Sat Sep 15 00:40:13 2001
+@@ -26,7 +26,7 @@
+ #if defined(FREEBSD2) || defined(FREEBSD3) || defined(FREEBSD4) \
+     || defined(FREEBSD5) \
+     || defined(BSDI2) || defined(BSDI3) || defined(BSDI4) \
+-    || defined(OPENBSD2) || defined(NETBSD1)
++    || defined(OPENBSD2) || defined(OPENBSD3) || defined(NETBSD1)
+ #define SUPPORTED
+ #include <sys/types.h>
+ #include <sys/param.h>
+@@ -58,7 +58,7 @@
+ #define HAS_DUPLEX_PIPE
+ #endif
+ 
+-#if defined(OPENBSD2) || defined(FREEBSD3) || defined(FREEBSD4)
++#if defined(OPENBSD2) || defined(OPENBSD3) || defined(FREEBSD3) || defined(FREEBSD4)
+ #define HAS_ISSETUGID
+ #endif
+ 
diff --git a/mail/postfix/stable/patches/patch-makedefs b/mail/postfix/stable/patches/patch-makedefs
new file mode 100644
index 00000000000..2f04bd68f68
--- /dev/null
+++ b/mail/postfix/stable/patches/patch-makedefs
@@ -0,0 +1,11 @@
+--- makedefs.orig	Tue Feb 20 01:18:32 2001
++++ makedefs	Sat Sep 15 00:11:58 2001
+@@ -93,6 +93,8 @@
+ 		;;
+   OpenBSD.2*)	SYSTYPE=OPENBSD2
+ 		;;
++  OpenBSD.3*)   SYSTYPE=OPENBSD3
++		;;
+    NetBSD.1*)	SYSTYPE=NETBSD1
+ 		;;
+    BSD/OS.2*)	SYSTYPE=BSDI2
diff --git a/mail/postfix/stable/patches/patch-sys_defs.h b/mail/postfix/stable/patches/patch-sys_defs.h
new file mode 100644
index 00000000000..858fe454dab
--- /dev/null
+++ b/mail/postfix/stable/patches/patch-sys_defs.h
@@ -0,0 +1,20 @@
+--- sys_defs.h.orig	Sat Sep 15 00:38:11 2001
++++ src/util/sys_defs.h	Sat Sep 15 00:40:13 2001
+@@ -26,7 +26,7 @@
+ #if defined(FREEBSD2) || defined(FREEBSD3) || defined(FREEBSD4) \
+     || defined(FREEBSD5) \
+     || defined(BSDI2) || defined(BSDI3) || defined(BSDI4) \
+-    || defined(OPENBSD2) || defined(NETBSD1)
++    || defined(OPENBSD2) || defined(OPENBSD3) || defined(NETBSD1)
+ #define SUPPORTED
+ #include <sys/types.h>
+ #include <sys/param.h>
+@@ -58,7 +58,7 @@
+ #define HAS_DUPLEX_PIPE
+ #endif
+ 
+-#if defined(OPENBSD2) || defined(FREEBSD3) || defined(FREEBSD4)
++#if defined(OPENBSD2) || defined(OPENBSD3) || defined(FREEBSD3) || defined(FREEBSD4)
+ #define HAS_ISSETUGID
+ #endif
+