+
−Subject: Warning: could not yet send message
+
−From: MAILER-DAEMON@${host_name}
+
−To: ${return_path}
+
−MIME-Version: 1.0
+
−Content-Type: multipart/mixed;
+
−        boundary="${uid}/${host_name}"
+
−
+
−This is a MIME-encapsulated message.
+
−
+
−--${uid}/${host_name}
+
−Content-Description: Notification
+
−Content-Type: text/plain
+
−
+
−This message was sent to you by the mailer daemon (${package} ${version})
+
−at ${host_name}.
+
−
+
−Sorry, but your mail could not yet be delivered to all recipients.
+
−Delivery to the following recipients has been defered:
+
−
+
−@failed_rcpts
+
−
+
−Delivery will be tried again, until it is either successful or a
+
−timeout has been reached. If the latter happens, you will get a
+
−delivery failure notice.
+
−
+
−
+
−This error message may give you a hint about what caused the
+
−delay:
+
−
+
−${err_msg}
+
−
+
−If you need help, write to <postmaster@${host_name}>.
+
−
+
−The headers of your message follow attached:
+
−
+
−--${uid}/${host_name}
+
−Content-Description: Undelivered Message Headers
+
−Content-Type: message/rfc822
+
−
+
−@msg_headers
+
−
+
−--${uid}/${host_name}--