diff -r 43d642154330 -r 7a7cc794483b postfix/postfix.spec
--- a/postfix/postfix.spec	Wed Sep 12 19:10:15 2012 +0200
+++ b/postfix/postfix.spec	Thu Sep 13 20:05:49 2012 +0200
@@ -48,6 +48,7 @@
 %option       with_pgsql     no
 %option       with_ldap      no
 %option       with_whoson    no
+%option       with_spfsrs    no
 %option       with_fdsetsize no
 
 #   list of sources
@@ -59,6 +60,7 @@
 Patch0:       postfix.patch
 Patch1:       postfix.patch.pfls
 Patch2:       http://download.openpkg.org/components/versioned/postfix/postfix-%{V_whoson}-whoson.patch
+Patch3:       postfix-srs.patch
 
 #   build information
 BuildPreReq:  OpenPKG, openpkg >= 20100101, perl, gcc
@@ -97,6 +99,10 @@
 BuildPreReq:  whoson
 PreReq:       whoson
 %endif
+%if "%{with_spfsrs}" == "yes"
+BuildPreReq:  libsrs2
+PreReq:       libsrs2
+%endif
 Provides:     MTA
 Conflicts:    exim, sendmail, ssmtp
 
@@ -117,6 +123,7 @@
     o Optional PostgreSQL dictionary support (see package options)
     o Optional OpenLDAP dictionary support   (see package options)
     o Optional WHOSON dictionary support     (see package options)
+    o Optional SPF SRS protection support    (see package options)
 
 %track
     prog postfix = {
@@ -134,6 +141,11 @@
         url       = http://download.openpkg.org/components/versioned/postfix/
         regex     = postfix-(__VER__)-whoson.patch
     }
+    prog postfix:spfsrs = {
+        version   = %{V_spfsrs}
+        url       = http://www.codefrickler.de/srs/
+        regex     = postfix-srs-(__VER__).patch
+    }
 
 %prep
     #   unpack distribution files
@@ -149,6 +161,11 @@
     %patch -p0 -P 2
 %endif
 
+    #   apply vendor SPF SRS patch
+%if "%{with_spfsrs}" == "yes"
+    %patch -p0 -P 3
+%endif
+
     #   remove OpenPKG privelege model incompatible exit conditions
     %{l_shtool} subst \
         -e 's;msg_fatal\(.*attribute specifies mail system\);msg_info\1;g' \
@@ -229,6 +246,10 @@
     AUXLIBS="$AUXLIBS %{l_fsl_ldflags} %{l_fsl_libs}"
     CCARGS="$CCARGS -DUSE_SOFTLIMITONLY"
 %endif
+%if "%{with_spfsrs}" == "yes"
+    CCARGS="$CCARGS -DHAS_SRS"
+    AUXLIBS="$AUXLIBS -lsrs2"
+%endif
 %if "%{with_fdsetsize}" != "no"
 %if "%{with_fdsetsize}" == "yes"
     CCARGS="$CCARGS -DFD_SETSIZE=1024"