Set explicit Message-ID in SendNewPasswordWorker

diff --git a/wcfsetup/install/files/lib/system/worker/SendNewPasswordWorker.class.php b/wcfsetup/install/files/lib/system/worker/SendNewPasswordWorker.class.php
index 071f20ac32ec0ce2b0fd9a469ab57c2474f4d2ae..35bf72dd2ed0f440a6e7693e47e0fb0cf132037c 100644 (file)
--- a/wcfsetup/install/files/lib/system/worker/SendNewPasswordWorker.class.php
+++ b/wcfsetup/install/files/lib/system/worker/SendNewPasswordWorker.class.php
@@ -125,6 +125,12 @@ class SendNewPasswordWorker extends AbstractWorker
     protected function sendLink(User $user)
     {
         $email = new Email();
+        $email->setMessageID(\sprintf(
+            'com.woltlab.wcf.sendNewPassword/%d/%d/%s',
+            $user->userID,
+            TIME_NOW,
+            \bin2hex(\random_bytes(8))
+        ));
         $email->addRecipient(new UserMailbox($user));
         $email->setSubject($user->getLanguage()->getDynamicVariable('wcf.acp.user.sendNewPassword.mail.subject'));
         $email->setBody(new MimePartFacade([