diff --git a/framework/Core/lib/Horde/Core/ActiveSync/Connector.php b/framework/Core/lib/Horde/Core/ActiveSync/Connector.php
index 44e1f0bf8b5..db4381c2e27 100644
--- a/framework/Core/lib/Horde/Core/ActiveSync/Connector.php
+++ b/framework/Core/lib/Horde/Core/ActiveSync/Connector.php
@@ -856,6 +856,13 @@ public function mail_logMaillog($action, $mid, $recipients = null)
         }
     }
 
+    public function mail_logRecipient($action, $recipients, $message_id)
+    {
+        if ($this->_registry->hasMethod('logRecipient', $this->_registry->hasInterface('mail'))) {
+            $this->_registry->mail->logRecipient($action, $recipients, $message_id);
+        }
+    }
+
     /**
      * Poll the maillog for changes since the specified timestamp.
      *
diff --git a/framework/Core/lib/Horde/Core/ActiveSync/Driver.php b/framework/Core/lib/Horde/Core/ActiveSync/Driver.php
index b6e3252ef38..589d66406fe 100644
--- a/framework/Core/lib/Horde/Core/ActiveSync/Driver.php
+++ b/framework/Core/lib/Horde/Core/ActiveSync/Driver.php
@@ -2046,6 +2046,22 @@ public function sendMail(
             }
         }
 
+        // Attempt to log the recipient.
+        $this->_logger->info('Logging recipients for RI.');
+        if (!empty($reply)) {
+            $action = 'reply';
+        } elseif (!empty($forward)) {
+            $action = 'forward';
+        } else {
+            $action = 'new';
+        }
+        try {
+            $this->_connector->mail_logRecipient(
+                $action, $headers->getValue('To'), $headers->getValue('Message-ID'));
+        } catch (Horde_Exception $e) {
+            $this->_logger->err($e->getMessage());
+        }
+
         return true;
     }