diff --git a/privatemsg.module b/privatemsg.module
index 995b97b..c5455a3 100644
--- a/privatemsg.module
+++ b/privatemsg.module
@@ -1421,6 +1421,13 @@ function privatemsg_privatemsg_block_message($author, $recipients, $context = ar
         'message' => t('%recipient has disabled private message receiving.', array('%recipient' => privatemsg_recipient_format($recipient, array('plain' => TRUE)))),
       );
     }
+    // Do not send private messages to blocked users.
+    else if (($recipient->type == 'user') && (!$recipient->status)) {
+      $blocked[] = array(
+        'recipient' => 'user_' . $recipient->uid,
+        'message' => t('%recipient has disabled his or her account.', array('%recipient' => privatemsg_recipient_format($recipient, array('plain' => TRUE)))),
+      );
+    }
   }
 
   return $blocked;
diff --git a/privatemsg.test b/privatemsg.test
index 8e15c98..b14e38f 100644
--- a/privatemsg.test
+++ b/privatemsg.test
@@ -242,6 +242,10 @@ class PrivatemsgTestCase extends PrivatemsgBaseTestCase {
     $author     = $this->drupalCreateUser(array('write privatemsg', 'select text format for privatemsg', filter_permission_name(filter_format_load('full_html'))));
     $recipient  = $this->drupalCreateUser(array('read privatemsg'));
     $recipient2  = $this->drupalCreateUser(array('read privatemsg', 'write privatemsg'));
+    $blocked_recipient = $this->drupalCreateUser(array('read privatemsg', 'write privatemsg')); // set up user with read/write privatemsg permissions
+    // Block one of the recipients to make sure that no messages are delivered
+    // to invalid recipients.
+    user_save($blocked_recipient, array('status' => 0));
 
     // Login author and go to new message form.
     $this->drupalLogin($author);
@@ -271,6 +275,12 @@ class PrivatemsgTestCase extends PrivatemsgBaseTestCase {
       'subject'     => $this->randomName(20),
       'body[value]' => $this->randomName(100),
     );
+    // Blocked recipient
+    $editblocked = array(
+      'recipient'   => $blocked_recipient,
+      'subject'     => $this->randomName(20),
+      'body[value]' => $this->randomName(100),
+    );
     // Empty body.
     $editnobody = array(
       'recipient'   => $recipient->name,
@@ -324,6 +334,9 @@ class PrivatemsgTestCase extends PrivatemsgBaseTestCase {
     $this->assertText(t('You must include at least one valid recipient.'), 'Message was not sent.');
     $this->assertText(t('The following recipients will not receive this private message: @recipients.', array('@recipients' => $editinvalid['recipient'])), 'Message about non-existing user displayed.');
 
+    $this->drupalPost('messages/new', $editblocked, t('Send message'));
+    $this->assertText(t('%recipient has disabled his or her account.', array('%recipient' => $editblocked['recipient'])), 'Message was not sent.');
+
     $this->drupalPost('messages/new', $editnobody, t('Send message'));
     $this->assertText(t('A message has been sent to @recipients.', array('@recipients' => $recipient->name)), 'Message sent confirmation displayed.');