Hello, this is the mail server on tools-expt.com.
I am sending you this message to inform you on the delivery status of a
message you previously sent. Immediately below you will find a list of
the affected recipients; also attached is a Delivery Status Notification
(DSN) report in standard format, as well as the headers of the original
message.
<pycon-greenroom(a)python.org> delivery failed; will not continue trying
