diff --git a/Tests/spfcheckTest.php b/Tests/spfcheckTest.php
index 9e85d80..a055ad8 100644
--- a/Tests/spfcheckTest.php
+++ b/Tests/spfcheckTest.php
@@ -217,7 +217,7 @@ class spfcheckTest extends PHPUnit_Framework_TestCase
         "+a" => array (),
         "+mx" => array (),
         "+ip4:178.33.236.5" => array ("178.33.236.5"),
-        "+ip4:137.74.69.64" => array ("137.74.69.64"),
+        "-ip4:137.74.69.64" => array ("137.74.69.64"),
         "+ip4:51.254.45.81" => array ("51.254.45.81"),
         "-all" => array (),
       )));
@@ -232,4 +232,32 @@ class spfcheckTest extends PHPUnit_Framework_TestCase
         "unknown" => array (),
         "-all" => array ())));
   }
+
+  public function test_ipCheckToSPF_OK_inA ()
+  {
+    $spfcheck = new spfcheck ();
+    $res = $spfcheck->ipCheckToSPF ("plus.spf.tester.fournier38.fr", "178.33.236.5");
+    $this->assertSame ($res, "PASS");
+  }
+
+  public function test_ipCheckToSPF_FAIL_inALL ()
+  {
+    $spfcheck = new spfcheck ();
+    $res = $spfcheck->ipCheckToSPF ("plus.spf.tester.fournier38.fr", "1.3.6.5");
+    $this->assertSame ($res, "FAIL");
+  }
+
+  public function test_ipCheckToSPF_OK_inALL ()
+  {
+    $spfcheck = new spfcheck ();
+    $res = $spfcheck->ipCheckToSPF ("plus.spf.tester.fournier38.fr", "1.3.6.5");
+    $this->assertSame ($res, "FAIL");
+  }
+
+  public function test_ipCheckToSPF_FAIL_inIP4 ()
+  {
+    $spfcheck = new spfcheck ();
+    $res = $spfcheck->ipCheckToSPF ("plus.spf.tester.fournier38.fr", "137.74.69.64");
+    $this->assertSame ($res, "FAIL");
+  }
 }
diff --git a/spfcheck.php b/spfcheck.php
index eb5d615..89e7bb2 100644
--- a/spfcheck.php
+++ b/spfcheck.php
@@ -113,6 +113,12 @@ class spfcheck
           if ($ipaddresses->ipInNetwork ($ip, $ipToTest, $mask))
           {
             $this->matchRule = "$key/$part";
+            if ($part{0} === "-")
+              return "FAIL";
+            if ($part{0} === "~")
+              return "SOFTFAIL";
+            if ($part{0} === "?")
+              return "NEUTRAL";
             return "PASS";
           }
         }
@@ -133,6 +139,9 @@ class spfcheck
       $this->matchRule = "$this->catchAllDomain/$this->catchAll";
       return "NEUTRAL";
     }
+    throw new \Exception (sprintf (dgettext ("domframework",
+      "SFPCheck : Can not determine the SPF result with params '%s' and '%s'"),
+      $domain, $ip), 403  );
   }
   // }}}
 
@@ -258,6 +267,14 @@ class spfcheck
         if (stripos ($part, "redirect=") === 0)
         // {{{
         {
+          if ($sign !== "")
+          {
+            $this->errors[$domain][$sign.$part] =
+              sprintf (dgettext ("domframework",
+              "Invalid redirect set for domain '%s' : can not be signed"),
+              $domain);
+            continue;
+          }
           $ext = substr ($part, 9);
           if (! is_string ($ext) || trim ($ext) === "")
           {
@@ -273,6 +290,14 @@ class spfcheck
         elseif (stripos ($part, "include:") === 0)
         // {{{
         {
+          if ($sign !== "")
+          {
+            $this->errors[$domain][$sign.$part] =
+              sprintf (dgettext ("domframework",
+              "Invalid include set for domain '%s' : can not be signed"),
+              $domain);
+            continue;
+          }
           $ext = substr ($part, 8);
           if (! is_string ($ext) || trim ($ext) === "")
           {
@@ -450,7 +475,7 @@ class spfcheck
               $domain);
           }
           $localAll = $part;
-          $this->catchAll = $part;
+          $this->catchAll = $sign.$part;
           $this->catchAllDomain = $domain;
         }
         // }}}