> On 17 May, from 17:48 UTC (13:48 EDT) to 23:48 UTC (18:49 EDT), > outbound email from the IETF email lists failed to send. Mail sent to > the lists went into the archives, but was not received by list > subscribers. > > A problem in the DMARC-rewriting system caused outbound mail delivery > to fail silently, without alarm or error message. The rewriting system > has been taken offline, which restored outbound email service. The > lists are back up. > > Unfortunately, because the mail was discarded rather than queued, if > you sent mail to any IETF list today during the outage window, we ask > you to please resend your message. > > We apologize for this issue and are working with the Tools Team to > correct the system before it is put back online again. thanks, alexa. these things happen, and i won't even demand a refund :) sympathies for the pain. < micro-management = off > i really appreciate technical details. there are still a few operators left in the ietf community, and we try to learn from our oopsies. a deeper post mortem would even be welcome as many of us are also trying to deal with dmarc hell. you run a medium scale mail operation and any lessons you share are appreciated. randy
